From patchwork Tue Aug 22 11:25:38 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Molton X-Patchwork-Id: 9914939 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 75D1D603FA for ; Tue, 22 Aug 2017 11:43:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 726182886B for ; Tue, 22 Aug 2017 11:43:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 676702887E; Tue, 22 Aug 2017 11:43:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E754B2886B for ; Tue, 22 Aug 2017 11:43:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932558AbdHVLnL (ORCPT ); Tue, 22 Aug 2017 07:43:11 -0400 Received: from [217.148.43.144] ([217.148.43.144]:57966 "EHLO mnementh.co.uk" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S932499AbdHVLnJ (ORCPT ); Tue, 22 Aug 2017 07:43:09 -0400 Received: from 224.14.9.51.dyn.plus.net ([51.9.14.224] helo=localhost.localdomain) by mnementh.co.uk with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1dk7KH-00039F-8G; Tue, 22 Aug 2017 11:26:31 +0000 From: Ian Molton To: linux-wireless@vger.kernel.org Cc: arend.vanspriel@broadcom.com Subject: [PATCH 18/30] brcmfmac: Cleanup offsetof() Date: Tue, 22 Aug 2017 12:25:38 +0100 Message-Id: <20170822112550.60311-19-ian@mnementh.co.uk> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170822112550.60311-1-ian@mnementh.co.uk> References: <20170822112550.60311-1-ian@mnementh.co.uk> X-Spam_score: -2.9 X-Spam_score_int: -28 X-Spam_bar: -- X-Spam_report: Spam detection software, running on the system "mnementh.co.uk", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Create a macro to make the code a bit more readable, whilst we're stuck with using struct element offsets as register offsets. Signed-off-by: Ian Molton --- .../wireless/broadcom/brcm80211/brcmfmac/sdio.c | 35 +++++++++ 1 file changed, 14 insertions(+), 21 deletions(-) [...] Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 URIBL_BLOCKED ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [URIs: mnementh.co.uk] -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP 0.0 TVD_RCVD_IP Message was received from an IP address -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Create a macro to make the code a bit more readable, whilst we're stuck with using struct element offsets as register offsets. Signed-off-by: Ian Molton Reviewed-by: Arend van Spriel --- .../wireless/broadcom/brcm80211/brcmfmac/sdio.c | 35 +++++++++------------- 1 file changed, 14 insertions(+), 21 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index ce19ccf5d1d6..8f3e99da871a 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -161,6 +161,8 @@ struct rte_console { #define CORE_BUS_REG(base, field) \ (base + offsetof(struct sdpcmd_regs, field)) +#define __sd_reg(field) \ + (offsetof(struct sdpcmd_regs, field)) /* SDIO function 1 register CHIPCLKCSR */ /* Force ALP request to backplane */ @@ -1084,12 +1086,10 @@ static u32 brcmf_sdio_hostmail(struct brcmf_sdio *bus) brcmf_dbg(SDIO, "Enter\n"); /* Read mailbox data and ack that we did so */ - ret = r_sdreg32(bus, &hmb_data, - offsetof(struct sdpcmd_regs, tohostmailboxdata)); + ret = r_sdreg32(bus, &hmb_data, __sd_reg(tohostmailboxdata)); if (ret == 0) - w_sdreg32(bus, SMB_INT_ACK, - offsetof(struct sdpcmd_regs, tosbmailbox)); + w_sdreg32(bus, SMB_INT_ACK, __sd_reg(tosbmailbox)); bus->sdcnt.f1regdata += 2; /* Dongle recomposed rx frames, accept them again */ @@ -1197,8 +1197,7 @@ static void brcmf_sdio_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx) if (rtx) { bus->sdcnt.rxrtx++; - err = w_sdreg32(bus, SMB_NAK, - offsetof(struct sdpcmd_regs, tosbmailbox)); + err = w_sdreg32(bus, SMB_NAK, __sd_reg(tosbmailbox)); bus->sdcnt.f1regdata++; if (err == 0) @@ -2323,9 +2322,7 @@ static uint brcmf_sdio_sendfromq(struct brcmf_sdio *bus, uint maxframes) if (!bus->intr) { /* Check device status, signal pending interrupt */ sdio_claim_host(bus->sdiodev->func[1]); - ret = r_sdreg32(bus, &intstatus, - offsetof(struct sdpcmd_regs, - intstatus)); + ret = r_sdreg32(bus, &intstatus, __sd_reg(intstatus)); sdio_release_host(bus->sdiodev->func[1]); bus->sdcnt.f2txdata++; if (ret != 0) @@ -2431,7 +2428,7 @@ static void brcmf_sdio_bus_stop(struct device *dev) brcmf_sdio_bus_sleep(bus, false, false); /* Disable and clear interrupts at the chip level also */ - w_sdreg32(bus, 0, offsetof(struct sdpcmd_regs, hostintmask)); + w_sdreg32(bus, 0, __sd_reg(hostintmask)); local_hostintmask = bus->hostintmask; bus->hostintmask = 0; @@ -2450,8 +2447,7 @@ static void brcmf_sdio_bus_stop(struct device *dev) sdio_disable_func(sdiodev->func[SDIO_FUNC_2]); /* Clear any pending interrupts now that F2 is disabled */ - w_sdreg32(bus, local_hostintmask, - offsetof(struct sdpcmd_regs, intstatus)); + w_sdreg32(bus, local_hostintmask, __sd_reg(intstatus)); sdio_release_host(sdiodev->func[1]); } @@ -2497,7 +2493,7 @@ static int brcmf_sdio_intr_rstatus(struct brcmf_sdio *bus) int ret; buscore = brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV); - addr = buscore->base + offsetof(struct sdpcmd_regs, intstatus); + addr = buscore->base + __sd_reg(intstatus); val = brcmf_sdiod_readl(bus->sdiodev, addr, &ret); bus->sdcnt.f1regdata++; @@ -2574,11 +2570,9 @@ static void brcmf_sdio_dpc(struct brcmf_sdio *bus) */ if (intstatus & I_HMB_FC_CHANGE) { intstatus &= ~I_HMB_FC_CHANGE; - err = w_sdreg32(bus, I_HMB_FC_CHANGE, - offsetof(struct sdpcmd_regs, intstatus)); + err = w_sdreg32(bus, I_HMB_FC_CHANGE, __sd_reg(intstatus)); - err = r_sdreg32(bus, &newstatus, - offsetof(struct sdpcmd_regs, intstatus)); + err = r_sdreg32(bus, &newstatus, __sd_reg(intstatus)); bus->sdcnt.f1regdata += 2; atomic_set(&bus->fcstate, !!(newstatus & (I_HMB_FC_STATE | I_HMB_FC_CHANGE))); @@ -3760,7 +3754,7 @@ static void brcmf_sdio_buscore_activate(void *ctx, struct brcmf_chip *chip, /* clear all interrupts */ core = brcmf_chip_get_core(chip, BCMA_CORE_SDIO_DEV); - reg_addr = core->base + offsetof(struct sdpcmd_regs, intstatus); + reg_addr = core->base + __sd_reg(intstatus); brcmf_sdiod_writel(sdiodev, reg_addr, 0xFFFFFFFF, NULL); if (rstvec) @@ -4037,7 +4031,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err, /* Enable function 2 (frame transfers) */ w_sdreg32(bus, SDPCM_PROT_VERSION << SMB_DATA_VERSION_SHIFT, - offsetof(struct sdpcmd_regs, tosbmailboxdata)); + __sd_reg(tosbmailboxdata)); err = sdio_enable_func(sdiodev->func[SDIO_FUNC_2]); @@ -4047,8 +4041,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err, if (!err) { /* Set up the interrupt mask and enable interrupts */ bus->hostintmask = HOSTINTMASK; - w_sdreg32(bus, bus->hostintmask, - offsetof(struct sdpcmd_regs, hostintmask)); + w_sdreg32(bus, bus->hostintmask, __sd_reg(hostintmask)); brcmf_sdiod_writeb(sdiodev, SBSDIO_WATERMARK, 8, &err); } else {