From patchwork Mon Nov 16 17:40:10 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Russell King X-Patchwork-Id: 7629571 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 160F29F392 for ; Mon, 16 Nov 2015 17:49:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 133A520562 for ; Mon, 16 Nov 2015 17:48:58 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 248E32053C for ; Mon, 16 Nov 2015 17:48:56 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZyNrP-0001uB-RR; Mon, 16 Nov 2015 17:46:35 +0000 Received: from pandora.arm.linux.org.uk ([2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZyNne-0004ER-8o for linux-arm-kernel@lists.infradead.org; Mon, 16 Nov 2015 17:43:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=arm.linux.org.uk; s=pandora-2014; h=Date:Sender:Message-Id:Content-Type:Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References:In-Reply-To; bh=2dytPEFHMi6nz98yA4d5jaAGWkEYxP+WRrq7CAxCROk=; b=OrtjY2QuO9E30+ZyqvTTxcKQtU+0mQWUt/CPHDg0kcqDyoXGNJcFBuXBkYJ9eI7wLBja/r/4hOLk2OTzLiW/NQR3tEH0pNHnmvyDPB7MOceb9LjqX1bU7nBjS5zWJei+qiAVnCGCYoMMKP1NNfXF0DAbfLR6qPSxstQ8otYjbtY=; Received: from e0022681537dd.dyn.arm.linux.org.uk ([2002:4e20:1eda:1:222:68ff:fe15:37dd]:34954 helo=rmk-PC.arm.linux.org.uk) by pandora.arm.linux.org.uk with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1ZyNlE-0005ku-KV; Mon, 16 Nov 2015 17:40:12 +0000 Received: from rmk by rmk-PC.arm.linux.org.uk with local (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1ZyNlC-0003jN-Gd; Mon, 16 Nov 2015 17:40:10 +0000 In-Reply-To: <20151116173935.GQ8644@n2100.arm.linux.org.uk> References: <20151116173935.GQ8644@n2100.arm.linux.org.uk> From: Russell King To: linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 02/12] tty: amba-pl011: convert accessor functions to take uart_amba_port MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Mon, 16 Nov 2015 17:40:10 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151116_094244_160124_30181FCC X-CRM114-Status: GOOD ( 19.75 ) X-Spam-Score: -5.1 (-----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Hurley , Andre Przywara , Linus Walleij , Andrew.Jackson@arm.com, Timur Tabi , Greg Kroah-Hartman , Jiri Slaby , Jun Nie Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Convert the new accessor functions to take the uart_amba_port instead of the port base address. Signed-off-by: Russell King --- drivers/tty/serial/amba-pl011.c | 199 ++++++++++++++++++++-------------------- 1 file changed, 97 insertions(+), 102 deletions(-) diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index bd01e75128dc..0e7f045b8f4f 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -184,14 +184,16 @@ struct uart_amba_port { #endif }; -static unsigned int pl011_read(void __iomem *base, unsigned int reg) +static unsigned int pl011_read(const struct uart_amba_port *uap, + unsigned int reg) { - return readw(base + reg); + return readw(uap->port.membase + reg); } -static void pl011_write(unsigned int val, void __iomem *base, unsigned int reg) +static void pl011_write(unsigned int val, const struct uart_amba_port *uap, + unsigned int reg) { - writew(val, base + reg); + writew(val, uap->port.membase + reg); } /* @@ -206,13 +208,12 @@ static int pl011_fifo_to_tty(struct uart_amba_port *uap) int fifotaken = 0; while (max_count--) { - status = pl011_read(uap->port.membase, UART01x_FR); + status = pl011_read(uap, UART01x_FR); if (status & UART01x_FR_RXFE) break; /* Take chars from the FIFO and update status */ - ch = pl011_read(uap->port.membase, UART01x_DR) | - UART_DUMMY_DR_RX; + ch = pl011_read(uap, UART01x_DR) | UART_DUMMY_DR_RX; flag = TTY_NORMAL; uap->port.icount.rx++; fifotaken++; @@ -448,7 +449,7 @@ static void pl011_dma_tx_callback(void *data) dmacr = uap->dmacr; uap->dmacr = dmacr & ~UART011_TXDMAE; - pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); + pl011_write(uap->dmacr, uap, UART011_DMACR); /* * If TX DMA was disabled, it means that we've stopped the DMA for @@ -562,7 +563,7 @@ static int pl011_dma_tx_refill(struct uart_amba_port *uap) dma_dev->device_issue_pending(chan); uap->dmacr |= UART011_TXDMAE; - pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); + pl011_write(uap->dmacr, uap, UART011_DMACR); uap->dmatx.queued = true; /* @@ -598,9 +599,9 @@ static bool pl011_dma_tx_irq(struct uart_amba_port *uap) */ if (uap->dmatx.queued) { uap->dmacr |= UART011_TXDMAE; - pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); + pl011_write(uap->dmacr, uap, UART011_DMACR); uap->im &= ~UART011_TXIM; - pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); return true; } @@ -610,7 +611,7 @@ static bool pl011_dma_tx_irq(struct uart_amba_port *uap) */ if (pl011_dma_tx_refill(uap) > 0) { uap->im &= ~UART011_TXIM; - pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); return true; } return false; @@ -624,7 +625,7 @@ static inline void pl011_dma_tx_stop(struct uart_amba_port *uap) { if (uap->dmatx.queued) { uap->dmacr &= ~UART011_TXDMAE; - pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); + pl011_write(uap->dmacr, uap, UART011_DMACR); } } @@ -650,14 +651,12 @@ static inline bool pl011_dma_tx_start(struct uart_amba_port *uap) if (!uap->dmatx.queued) { if (pl011_dma_tx_refill(uap) > 0) { uap->im &= ~UART011_TXIM; - pl011_write(uap->im, uap->port.membase, - UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); } else ret = false; } else if (!(uap->dmacr & UART011_TXDMAE)) { uap->dmacr |= UART011_TXDMAE; - pl011_write(uap->dmacr, uap->port.membase, - UART011_DMACR); + pl011_write(uap->dmacr, uap, UART011_DMACR); } return ret; } @@ -668,9 +667,9 @@ static inline bool pl011_dma_tx_start(struct uart_amba_port *uap) */ dmacr = uap->dmacr; uap->dmacr &= ~UART011_TXDMAE; - pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); + pl011_write(uap->dmacr, uap, UART011_DMACR); - if (pl011_read(uap->port.membase, UART01x_FR) & UART01x_FR_TXFF) { + if (pl011_read(uap, UART01x_FR) & UART01x_FR_TXFF) { /* * No space in the FIFO, so enable the transmit interrupt * so we know when there is space. Note that once we've @@ -679,13 +678,13 @@ static inline bool pl011_dma_tx_start(struct uart_amba_port *uap) return false; } - pl011_write(uap->port.x_char, uap->port.membase, UART01x_DR); + pl011_write(uap->port.x_char, uap, UART01x_DR); uap->port.icount.tx++; uap->port.x_char = 0; /* Success - restore the DMA state */ uap->dmacr = dmacr; - pl011_write(dmacr, uap->port.membase, UART011_DMACR); + pl011_write(dmacr, uap, UART011_DMACR); return true; } @@ -713,7 +712,7 @@ __acquires(&uap->port.lock) DMA_TO_DEVICE); uap->dmatx.queued = false; uap->dmacr &= ~UART011_TXDMAE; - pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); + pl011_write(uap->dmacr, uap, UART011_DMACR); } } @@ -753,11 +752,11 @@ static int pl011_dma_rx_trigger_dma(struct uart_amba_port *uap) dma_async_issue_pending(rxchan); uap->dmacr |= UART011_RXDMAE; - pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); + pl011_write(uap->dmacr, uap, UART011_DMACR); uap->dmarx.running = true; uap->im &= ~UART011_RXIM; - pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); return 0; } @@ -816,7 +815,7 @@ static void pl011_dma_rx_chars(struct uart_amba_port *uap, if (dma_count == pending && readfifo) { /* Clear any error flags */ pl011_write(UART011_OEIS | UART011_BEIS | UART011_PEIS | - UART011_FEIS, uap->port.membase, UART011_ICR); + UART011_FEIS, uap, UART011_ICR); /* * If we read all the DMA'd characters, and we had an @@ -864,7 +863,7 @@ static void pl011_dma_rx_irq(struct uart_amba_port *uap) /* Disable RX DMA - incoming data will wait in the FIFO */ uap->dmacr &= ~UART011_RXDMAE; - pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); + pl011_write(uap->dmacr, uap, UART011_DMACR); uap->dmarx.running = false; pending = sgbuf->sg.length - state.residue; @@ -884,7 +883,7 @@ static void pl011_dma_rx_irq(struct uart_amba_port *uap) dev_dbg(uap->port.dev, "could not retrigger RX DMA job " "fall back to interrupt mode\n"); uap->im |= UART011_RXIM; - pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); } } @@ -932,7 +931,7 @@ static void pl011_dma_rx_callback(void *data) dev_dbg(uap->port.dev, "could not retrigger RX DMA job " "fall back to interrupt mode\n"); uap->im |= UART011_RXIM; - pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); } } @@ -945,7 +944,7 @@ static inline void pl011_dma_rx_stop(struct uart_amba_port *uap) { /* FIXME. Just disable the DMA enable */ uap->dmacr &= ~UART011_RXDMAE; - pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); + pl011_write(uap->dmacr, uap, UART011_DMACR); } /* @@ -989,7 +988,7 @@ static void pl011_dma_rx_poll(unsigned long args) spin_lock_irqsave(&uap->port.lock, flags); pl011_dma_rx_stop(uap); uap->im |= UART011_RXIM; - pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); spin_unlock_irqrestore(&uap->port.lock, flags); uap->dmarx.running = false; @@ -1051,7 +1050,7 @@ static void pl011_dma_startup(struct uart_amba_port *uap) skip_rx: /* Turn on DMA error (RX/TX will be enabled on demand) */ uap->dmacr |= UART011_DMAONERR; - pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); + pl011_write(uap->dmacr, uap, UART011_DMACR); /* * ST Micro variants has some specific dma burst threshold @@ -1060,7 +1059,7 @@ static void pl011_dma_startup(struct uart_amba_port *uap) */ if (uap->vendor->dma_threshold) pl011_write(ST_UART011_DMAWM_RX_16 | ST_UART011_DMAWM_TX_16, - uap->port.membase, ST_UART011_DMAWM); + uap, ST_UART011_DMAWM); if (uap->using_rx_dma) { if (pl011_dma_rx_trigger_dma(uap)) @@ -1085,12 +1084,12 @@ static void pl011_dma_shutdown(struct uart_amba_port *uap) return; /* Disable RX and TX DMA */ - while (pl011_read(uap->port.membase, UART01x_FR) & UART01x_FR_BUSY) + while (pl011_read(uap, UART01x_FR) & UART01x_FR_BUSY) barrier(); spin_lock_irq(&uap->port.lock); uap->dmacr &= ~(UART011_DMAONERR | UART011_RXDMAE | UART011_TXDMAE); - pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); + pl011_write(uap->dmacr, uap, UART011_DMACR); spin_unlock_irq(&uap->port.lock); if (uap->using_tx_dma) { @@ -1191,7 +1190,7 @@ static void pl011_stop_tx(struct uart_port *port) container_of(port, struct uart_amba_port, port); uap->im &= ~UART011_TXIM; - pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); pl011_dma_tx_stop(uap); } @@ -1201,7 +1200,7 @@ static void pl011_tx_chars(struct uart_amba_port *uap, bool from_irq); static void pl011_start_tx_pio(struct uart_amba_port *uap) { uap->im |= UART011_TXIM; - pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); pl011_tx_chars(uap, false); } @@ -1221,7 +1220,7 @@ static void pl011_stop_rx(struct uart_port *port) uap->im &= ~(UART011_RXIM|UART011_RTIM|UART011_FEIM| UART011_PEIM|UART011_BEIM|UART011_OEIM); - pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); pl011_dma_rx_stop(uap); } @@ -1232,7 +1231,7 @@ static void pl011_enable_ms(struct uart_port *port) container_of(port, struct uart_amba_port, port); uap->im |= UART011_RIMIM|UART011_CTSMIM|UART011_DCDMIM|UART011_DSRMIM; - pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); } static void pl011_rx_chars(struct uart_amba_port *uap) @@ -1252,7 +1251,7 @@ __acquires(&uap->port.lock) dev_dbg(uap->port.dev, "could not trigger RX DMA job " "fall back to interrupt mode again\n"); uap->im |= UART011_RXIM; - pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); } else { #ifdef CONFIG_DMA_ENGINE /* Start Rx DMA poll */ @@ -1273,10 +1272,10 @@ static bool pl011_tx_char(struct uart_amba_port *uap, unsigned char c, bool from_irq) { if (unlikely(!from_irq) && - pl011_read(uap->port.membase, UART01x_FR) & UART01x_FR_TXFF) + pl011_read(uap, UART01x_FR) & UART01x_FR_TXFF) return false; /* unable to transmit character */ - pl011_write(c, uap->port.membase, UART01x_DR); + pl011_write(c, uap, UART01x_DR); uap->port.icount.tx++; return true; @@ -1323,8 +1322,7 @@ static void pl011_modem_status(struct uart_amba_port *uap) { unsigned int status, delta; - status = pl011_read(uap->port.membase, UART01x_FR); - status &= UART01x_FR_MODEM_ANY; + status = pl011_read(uap, UART01x_FR) & UART01x_FR_MODEM_ANY; delta = status ^ uap->old_status; uap->old_status = status; @@ -1352,15 +1350,15 @@ static void check_apply_cts_event_workaround(struct uart_amba_port *uap) return; /* workaround to make sure that all bits are unlocked.. */ - pl011_write(0x00, uap->port.membase, UART011_ICR); + pl011_write(0x00, uap, UART011_ICR); /* * WA: introduce 26ns(1 uart clk) delay before W1C; * single apb access will incur 2 pclk(133.12Mhz) delay, * so add 2 dummy reads */ - dummy_read = pl011_read(uap->port.membase, UART011_ICR); - dummy_read = pl011_read(uap->port.membase, UART011_ICR); + dummy_read = pl011_read(uap, UART011_ICR); + dummy_read = pl011_read(uap, UART011_ICR); } static irqreturn_t pl011_int(int irq, void *dev_id) @@ -1372,15 +1370,15 @@ static irqreturn_t pl011_int(int irq, void *dev_id) int handled = 0; spin_lock_irqsave(&uap->port.lock, flags); - imsc = pl011_read(uap->port.membase, UART011_IMSC); - status = pl011_read(uap->port.membase, UART011_RIS) & imsc; + imsc = pl011_read(uap, UART011_IMSC); + status = pl011_read(uap, UART011_RIS) & imsc; if (status) { do { check_apply_cts_event_workaround(uap); pl011_write(status & ~(UART011_TXIS|UART011_RTIS| UART011_RXIS), - uap->port.membase, UART011_ICR); + uap, UART011_ICR); if (status & (UART011_RTIS|UART011_RXIS)) { if (pl011_dma_rx_running(uap)) @@ -1397,7 +1395,7 @@ static irqreturn_t pl011_int(int irq, void *dev_id) if (pass_counter-- == 0) break; - status = pl011_read(uap->port.membase, UART011_RIS) & imsc; + status = pl011_read(uap, UART011_RIS) & imsc; } while (status != 0); handled = 1; } @@ -1411,7 +1409,7 @@ static unsigned int pl011_tx_empty(struct uart_port *port) { struct uart_amba_port *uap = container_of(port, struct uart_amba_port, port); - unsigned int status = pl011_read(uap->port.membase, UART01x_FR); + unsigned int status = pl011_read(uap, UART01x_FR); return status & (UART01x_FR_BUSY|UART01x_FR_TXFF) ? 0 : TIOCSER_TEMT; } @@ -1420,7 +1418,7 @@ static unsigned int pl011_get_mctrl(struct uart_port *port) struct uart_amba_port *uap = container_of(port, struct uart_amba_port, port); unsigned int result = 0; - unsigned int status = pl011_read(uap->port.membase, UART01x_FR); + unsigned int status = pl011_read(uap, UART01x_FR); #define TIOCMBIT(uartbit, tiocmbit) \ if (status & uartbit) \ @@ -1440,7 +1438,7 @@ static void pl011_set_mctrl(struct uart_port *port, unsigned int mctrl) container_of(port, struct uart_amba_port, port); unsigned int cr; - cr = pl011_read(uap->port.membase, UART011_CR); + cr = pl011_read(uap, UART011_CR); #define TIOCMBIT(tiocmbit, uartbit) \ if (mctrl & tiocmbit) \ @@ -1460,7 +1458,7 @@ static void pl011_set_mctrl(struct uart_port *port, unsigned int mctrl) } #undef TIOCMBIT - pl011_write(cr, uap->port.membase, UART011_CR); + pl011_write(cr, uap, UART011_CR); } static void pl011_break_ctl(struct uart_port *port, int break_state) @@ -1471,12 +1469,12 @@ static void pl011_break_ctl(struct uart_port *port, int break_state) unsigned int lcr_h; spin_lock_irqsave(&uap->port.lock, flags); - lcr_h = pl011_read(uap->port.membase, uap->lcrh_tx); + lcr_h = pl011_read(uap, uap->lcrh_tx); if (break_state == -1) lcr_h |= UART01x_LCRH_BRK; else lcr_h &= ~UART01x_LCRH_BRK; - pl011_write(lcr_h, uap->port.membase, uap->lcrh_tx); + pl011_write(lcr_h, uap, uap->lcrh_tx); spin_unlock_irqrestore(&uap->port.lock, flags); } @@ -1486,9 +1484,8 @@ static void pl011_quiesce_irqs(struct uart_port *port) { struct uart_amba_port *uap = container_of(port, struct uart_amba_port, port); - unsigned char __iomem *regs = uap->port.membase; - pl011_write(pl011_read(regs, UART011_MIS), regs, UART011_ICR); + pl011_write(pl011_read(uap, UART011_MIS), uap, UART011_ICR); /* * There is no way to clear TXIM as this is "ready to transmit IRQ", so * we simply mask it. start_tx() will unmask it. @@ -1502,8 +1499,8 @@ static void pl011_quiesce_irqs(struct uart_port *port) * (including tx queue), so we're also fine with start_tx()'s caller * side. */ - pl011_write(pl011_read(regs, UART011_IMSC) & ~UART011_TXIM, - regs, UART011_IMSC); + pl011_write(pl011_read(uap, UART011_IMSC) & ~UART011_TXIM, uap, + UART011_IMSC); } static int pl011_get_poll_char(struct uart_port *port) @@ -1518,11 +1515,11 @@ static int pl011_get_poll_char(struct uart_port *port) */ pl011_quiesce_irqs(port); - status = pl011_read(uap->port.membase, UART01x_FR); + status = pl011_read(uap, UART01x_FR); if (status & UART01x_FR_RXFE) return NO_POLL_CHAR; - return pl011_read(uap->port.membase, UART01x_DR); + return pl011_read(uap, UART01x_DR); } static void pl011_put_poll_char(struct uart_port *port, @@ -1531,10 +1528,10 @@ static void pl011_put_poll_char(struct uart_port *port, struct uart_amba_port *uap = container_of(port, struct uart_amba_port, port); - while (pl011_read(uap->port.membase, UART01x_FR) & UART01x_FR_TXFF) + while (pl011_read(uap, UART01x_FR) & UART01x_FR_TXFF) barrier(); - pl011_write(ch, uap->port.membase, UART01x_DR); + pl011_write(ch, uap, UART01x_DR); } #endif /* CONFIG_CONSOLE_POLL */ @@ -1560,15 +1557,14 @@ static int pl011_hwinit(struct uart_port *port) /* Clear pending error and receive interrupts */ pl011_write(UART011_OEIS | UART011_BEIS | UART011_PEIS | UART011_FEIS | UART011_RTIS | UART011_RXIS, - uap->port.membase, UART011_ICR); + uap, UART011_ICR); /* * Save interrupts enable mask, and enable RX interrupts in case if * the interrupt is used for NMI entry. */ - uap->im = pl011_read(uap->port.membase, UART011_IMSC); - pl011_write(UART011_RTIM | UART011_RXIM, uap->port.membase, - UART011_IMSC); + uap->im = pl011_read(uap, UART011_IMSC); + pl011_write(UART011_RTIM | UART011_RXIM, uap, UART011_IMSC); if (dev_get_platdata(uap->port.dev)) { struct amba_pl011_data *plat; @@ -1582,7 +1578,7 @@ static int pl011_hwinit(struct uart_port *port) static void pl011_write_lcr_h(struct uart_amba_port *uap, unsigned int lcr_h) { - pl011_write(lcr_h, uap->port.membase, uap->lcrh_rx); + pl011_write(lcr_h, uap, uap->lcrh_rx); if (uap->lcrh_rx != uap->lcrh_tx) { int i; /* @@ -1590,14 +1586,14 @@ static void pl011_write_lcr_h(struct uart_amba_port *uap, unsigned int lcr_h) * to get this delay write read only register 10 times */ for (i = 0; i < 10; ++i) - pl011_write(0xff, uap->port.membase, UART011_MIS); - pl011_write(lcr_h, uap->port.membase, uap->lcrh_tx); + pl011_write(0xff, uap, UART011_MIS); + pl011_write(lcr_h, uap, uap->lcrh_tx); } } static int pl011_allocate_irq(struct uart_amba_port *uap) { - pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); return request_irq(uap->port.irq, pl011_int, 0, "uart-pl011", uap); } @@ -1612,12 +1608,11 @@ static void pl011_enable_interrupts(struct uart_amba_port *uap) spin_lock_irq(&uap->port.lock); /* Clear out any spuriously appearing RX interrupts */ - pl011_write(UART011_RTIS | UART011_RXIS, uap->port.membase, - UART011_ICR); + pl011_write(UART011_RTIS | UART011_RXIS, uap, UART011_ICR); uap->im = UART011_RTIM; if (!pl011_dma_rx_running(uap)) uap->im |= UART011_RXIM; - pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(uap->im, uap, UART011_IMSC); spin_unlock_irq(&uap->port.lock); } @@ -1636,21 +1631,21 @@ static int pl011_startup(struct uart_port *port) if (retval) goto clk_dis; - pl011_write(uap->vendor->ifls, uap->port.membase, UART011_IFLS); + pl011_write(uap->vendor->ifls, uap, UART011_IFLS); spin_lock_irq(&uap->port.lock); /* restore RTS and DTR */ cr = uap->old_cr & (UART011_CR_RTS | UART011_CR_DTR); cr |= UART01x_CR_UARTEN | UART011_CR_RXE | UART011_CR_TXE; - pl011_write(cr, uap->port.membase, UART011_CR); + pl011_write(cr, uap, UART011_CR); spin_unlock_irq(&uap->port.lock); /* * initialise the old status of the modem signals */ - uap->old_status = pl011_read(uap->port.membase, UART01x_FR) & UART01x_FR_MODEM_ANY; + uap->old_status = pl011_read(uap, UART01x_FR) & UART01x_FR_MODEM_ANY; /* Startup DMA */ pl011_dma_startup(uap); @@ -1691,9 +1686,9 @@ static void pl011_shutdown_channel(struct uart_amba_port *uap, { unsigned long val; - val = pl011_read(uap->port.membase, lcrh); + val = pl011_read(uap, lcrh); val &= ~(UART01x_LCRH_BRK | UART01x_LCRH_FEN); - pl011_write(val, uap->port.membase, lcrh); + pl011_write(val, uap, lcrh); } /* @@ -1707,11 +1702,11 @@ static void pl011_disable_uart(struct uart_amba_port *uap) uap->autorts = false; spin_lock_irq(&uap->port.lock); - cr = pl011_read(uap->port.membase, UART011_CR); + cr = pl011_read(uap, UART011_CR); uap->old_cr = cr; cr &= UART011_CR_RTS | UART011_CR_DTR; cr |= UART01x_CR_UARTEN | UART011_CR_TXE; - pl011_write(cr, uap->port.membase, UART011_CR); + pl011_write(cr, uap, UART011_CR); spin_unlock_irq(&uap->port.lock); /* @@ -1728,8 +1723,8 @@ static void pl011_disable_interrupts(struct uart_amba_port *uap) /* mask all interrupts and clear all pending ones */ uap->im = 0; - pl011_write(uap->im, uap->port.membase, UART011_IMSC); - pl011_write(0xffff, uap->port.membase, UART011_ICR); + pl011_write(uap->im, uap, UART011_IMSC); + pl011_write(0xffff, uap, UART011_ICR); spin_unlock_irq(&uap->port.lock); } @@ -1881,8 +1876,8 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios, pl011_enable_ms(port); /* first, disable everything */ - old_cr = pl011_read(port->membase, UART011_CR); - pl011_write(0, port->membase, UART011_CR); + old_cr = pl011_read(uap, UART011_CR); + pl011_write(0, uap, UART011_CR); if (termios->c_cflag & CRTSCTS) { if (old_cr & UART011_CR_RTS) @@ -1915,8 +1910,8 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios, quot -= 2; } /* Set baud rate */ - pl011_write(quot & 0x3f, port->membase, UART011_FBRD); - pl011_write(quot >> 6, port->membase, UART011_IBRD); + pl011_write(quot & 0x3f, uap, UART011_FBRD); + pl011_write(quot >> 6, uap, UART011_IBRD); /* * ----------v----------v----------v----------v----- @@ -1925,7 +1920,7 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios, * ----------^----------^----------^----------^----- */ pl011_write_lcr_h(uap, lcr_h); - pl011_write(old_cr, port->membase, UART011_CR); + pl011_write(old_cr, uap, UART011_CR); spin_unlock_irqrestore(&port->lock, flags); } @@ -2066,9 +2061,9 @@ static void pl011_console_putchar(struct uart_port *port, int ch) struct uart_amba_port *uap = container_of(port, struct uart_amba_port, port); - while (pl011_read(uap->port.membase, UART01x_FR) & UART01x_FR_TXFF) + while (pl011_read(uap, UART01x_FR) & UART01x_FR_TXFF) barrier(); - pl011_write(ch, uap->port.membase, UART01x_DR); + pl011_write(ch, uap, UART01x_DR); } static void @@ -2093,10 +2088,10 @@ pl011_console_write(struct console *co, const char *s, unsigned int count) * First save the CR then disable the interrupts */ if (!uap->vendor->always_enabled) { - old_cr = pl011_read(uap->port.membase, UART011_CR); + old_cr = pl011_read(uap, UART011_CR); new_cr = old_cr & ~UART011_CR_CTSEN; new_cr |= UART01x_CR_UARTEN | UART011_CR_TXE; - pl011_write(new_cr, uap->port.membase, UART011_CR); + pl011_write(new_cr, uap, UART011_CR); } uart_console_write(&uap->port, s, count, pl011_console_putchar); @@ -2106,10 +2101,10 @@ pl011_console_write(struct console *co, const char *s, unsigned int count) * and restore the TCR */ do { - status = pl011_read(uap->port.membase, UART01x_FR); + status = pl011_read(uap, UART01x_FR); } while (status & UART01x_FR_BUSY); if (!uap->vendor->always_enabled) - pl011_write(old_cr, uap->port.membase, UART011_CR); + pl011_write(old_cr, uap, UART011_CR); if (locked) spin_unlock(&uap->port.lock); @@ -2122,10 +2117,10 @@ static void __init pl011_console_get_options(struct uart_amba_port *uap, int *baud, int *parity, int *bits) { - if (pl011_read(uap->port.membase, UART011_CR) & UART01x_CR_UARTEN) { + if (pl011_read(uap, UART011_CR) & UART01x_CR_UARTEN) { unsigned int lcr_h, ibrd, fbrd; - lcr_h = pl011_read(uap->port.membase, uap->lcrh_tx); + lcr_h = pl011_read(uap, uap->lcrh_tx); *parity = 'n'; if (lcr_h & UART01x_LCRH_PEN) { @@ -2140,13 +2135,13 @@ pl011_console_get_options(struct uart_amba_port *uap, int *baud, else *bits = 8; - ibrd = pl011_read(uap->port.membase, UART011_IBRD); - fbrd = pl011_read(uap->port.membase, UART011_FBRD); + ibrd = pl011_read(uap, UART011_IBRD); + fbrd = pl011_read(uap, UART011_FBRD); *baud = uap->port.uartclk * 4 / (64 * ibrd + fbrd); if (uap->vendor->oversampling) { - if (pl011_read(uap->port.membase, UART011_CR) + if (pl011_read(uap, UART011_CR) & ST_UART011_CR_OVSFACT) *baud *= 2; } @@ -2348,8 +2343,8 @@ static int pl011_register_port(struct uart_amba_port *uap) int ret; /* Ensure interrupts from this UART are masked and cleared */ - pl011_write(0, uap->port.membase, UART011_IMSC); - pl011_write(0xffff, uap->port.membase, UART011_ICR); + pl011_write(0, uap, UART011_IMSC); + pl011_write(0xffff, uap, UART011_ICR); if (!amba_reg.state) { ret = uart_register_driver(&amba_reg);