[32/34] brcmfmac: Replace function index with function pointer

Message ID	20170719190822.10857-33-ian@mnementh.co.uk (mailing list archive)
State	Changes Requested
Delegated to:	Kalle Valo
Headers	show Return-Path: <linux-wireless-owner@kernel.org> 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 8EB14602BD for <patchwork-linux-wireless@patchwork.kernel.org>; Wed, 19 Jul 2017 19:13:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7C1E72656B for <patchwork-linux-wireless@patchwork.kernel.org>; Wed, 19 Jul 2017 19:13:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 70C24286B5; Wed, 19 Jul 2017 19:13:25 +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 7F1B82656B for <patchwork-linux-wireless@patchwork.kernel.org>; Wed, 19 Jul 2017 19:13:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932706AbdGSTNW (ORCPT <rfc822;patchwork-linux-wireless@patchwork.kernel.org>); Wed, 19 Jul 2017 15:13:22 -0400 Received: from [217.148.43.144] ([217.148.43.144]:59602 "EHLO mnementh.co.uk" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751911AbdGSTNU (ORCPT <rfc822; linux-wireless@vger.kernel.org>); Wed, 19 Jul 2017 15:13:20 -0400 Received: from 12.3.208.46.dyn.plus.net ([46.208.3.12] helo=localhost.localdomain) by mnementh.co.uk with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from <ian@mnementh.co.uk>) id 1dXuLH-00068l-9r; Wed, 19 Jul 2017 19:09:04 +0000 From: Ian Molton <ian@mnementh.co.uk> To: linux-wireless@vger.kernel.org Cc: arend.vanspriel@broadcom.com, franky.lin@broadcom.com, hante.meuleman@broadcom.com Subject: [PATCH 32/34] brcmfmac: Replace function index with function pointer Date: Wed, 19 Jul 2017 20:08:20 +0100 Message-Id: <20170719190822.10857-33-ian@mnementh.co.uk> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170719190822.10857-1-ian@mnementh.co.uk> References: <20170719190822.10857-1-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: In preparation for removing the function array, remove all code that refers to function by index and replace with pointers to the function itself. Signed-off-by: Ian Molton <ian@mnementh.co.uk> --- .../wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c \| 69 +++++++++++ .../wireless/broadcom/brcm80211/brcmfmac/sdio.c \| 14 ++--- .../wireless/broadcom/brcm80211/brcmfmac/sdio.h \| 14 ++--- 3 files changed, 49 insertions(+), 48 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: <linux-wireless.vger.kernel.org> X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c index 89cf71d98cee..43a9c28738b3 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c @@ -148,7 +148,7 @@ int brcmf_sdiod_intr_register(struct brcmf_sdio_dev *sdiodev) /* must configure SDIO_CCCR_IENx to enable irq */ data = brcmf_sdiod_func0_rb(sdiodev, SDIO_CCCR_IENx, &ret); - data |= 1 << SDIO_FUNC_1 | 1 << SDIO_FUNC_2 | 1; + data |= SDIO_CCCR_IEN_FUNC1 | SDIO_CCCR_IEN_FUNC2 | SDIO_CCCR_IEN_BIT0; brcmf_sdiod_func0_wb(sdiodev, SDIO_CCCR_IENx, data, &ret); /* redirect, configure and enable io for interrupt signal */ @@ -290,7 +290,8 @@ void brcmf_sdiod_writel(struct brcmf_sdio_dev *sdiodev, u32 addr, *ret = retval; } -static int brcmf_sdiod_buff_read(struct brcmf_sdio_dev *sdiodev, uint fn, +static int brcmf_sdiod_buff_read(struct brcmf_sdio_dev *sdiodev, + struct sdio_func *func, u32 addr, struct sk_buff *pkt) { unsigned int req_sz; @@ -300,13 +301,12 @@ static int brcmf_sdiod_buff_read(struct brcmf_sdio_dev *sdiodev, uint fn, req_sz = pkt->len + 3; req_sz &= (uint)~3; - if (fn == 1) - err = sdio_memcpy_fromio(sdiodev->func[fn], - ((u8 *)(pkt->data)), addr, req_sz); + if (func->num == 1) + err = sdio_memcpy_fromio(func, ((u8 *)(pkt->data)), addr, + req_sz); else /* function 2 read is FIFO operation */ - err = sdio_readsb(sdiodev->func[fn], - ((u8 *)(pkt->data)), addr, req_sz); + err = sdio_readsb(func, ((u8 *)(pkt->data)), addr, req_sz); if (err == -ENOMEDIUM) brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM); @@ -314,7 +314,8 @@ static int brcmf_sdiod_buff_read(struct brcmf_sdio_dev *sdiodev, uint fn, return err; } -static int brcmf_sdiod_buff_write(struct brcmf_sdio_dev *sdiodev, uint fn, +static int brcmf_sdiod_buff_write(struct brcmf_sdio_dev *sdiodev, + struct sdio_func *func, u32 addr, struct sk_buff *pkt) { unsigned int req_sz; @@ -324,8 +325,7 @@ static int brcmf_sdiod_buff_write(struct brcmf_sdio_dev *sdiodev, uint fn, req_sz = pkt->len + 3; req_sz &= (uint)~3; - err = sdio_memcpy_toio(sdiodev->func[fn], addr, - ((u8 *)(pkt->data)), req_sz); + err = sdio_memcpy_toio(func, addr, ((u8 *)(pkt->data)), req_sz); if (err == -ENOMEDIUM) brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM); @@ -336,7 +336,7 @@ static int brcmf_sdiod_buff_write(struct brcmf_sdio_dev *sdiodev, uint fn, /** * brcmf_sdiod_sglist_rw - SDIO interface function for block data access * @sdiodev: brcmfmac sdio device - * @fn: SDIO function number + * @func: SDIO function * @write: direction flag * @addr: dongle memory address as source/destination * @pkt: skb pointer @@ -345,9 +345,10 @@ static int brcmf_sdiod_buff_write(struct brcmf_sdio_dev *sdiodev, uint fn, * stack for block data access. It assumes that the skb passed down by the * caller has already been padded and aligned. */ -static int brcmf_sdiod_sglist_rw(struct brcmf_sdio_dev *sdiodev, uint fn, - bool write, u32 addr, - struct sk_buff_head *pktlist) +static int brcmf_sdiod_sglist_rw(struct brcmf_sdio_dev *sdiodev, + struct sdio_func *func, + bool write, u32 addr, + struct sk_buff_head *pktlist) { unsigned int req_sz, func_blk_sz, sg_cnt, sg_data_sz, pkt_offset; unsigned int max_req_sz, orig_offset, dst_offset; @@ -371,7 +372,7 @@ static int brcmf_sdiod_sglist_rw(struct brcmf_sdio_dev *sdiodev, uint fn, req_sz = 0; skb_queue_walk(pktlist, pkt_next) req_sz += pkt_next->len; - req_sz = ALIGN(req_sz, sdiodev->func[fn]->cur_blksize); + req_sz = ALIGN(req_sz, func->cur_blksize); while (req_sz > PAGE_SIZE) { pkt_next = brcmu_pkt_buf_get_skb(PAGE_SIZE); if (pkt_next == NULL) { @@ -390,7 +391,7 @@ static int brcmf_sdiod_sglist_rw(struct brcmf_sdio_dev *sdiodev, uint fn, target_list = &local_list; } - func_blk_sz = sdiodev->func[fn]->cur_blksize; + func_blk_sz = func->cur_blksize; max_req_sz = sdiodev->max_request_size; max_seg_cnt = min_t(unsigned short, sdiodev->max_segment_count, target_list->qlen); @@ -407,10 +408,10 @@ static int brcmf_sdiod_sglist_rw(struct brcmf_sdio_dev *sdiodev, uint fn, mmc_dat.flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; mmc_cmd.opcode = SD_IO_RW_EXTENDED; mmc_cmd.arg = write ? 1<<31 : 0; /* write flag */ - mmc_cmd.arg |= (fn & 0x7) << 28; /* SDIO func num */ + mmc_cmd.arg |= (func->num & 0x7) << 28; /* SDIO func num */ mmc_cmd.arg |= 1<<27; /* block mode */ /* for function 1 the addr will be incremented */ - mmc_cmd.arg |= (fn == 1) ? 1<<26 : 0; + mmc_cmd.arg |= (func->num == 1) ? 1<<26 : 0; mmc_cmd.flags = MMC_RSP_SPI_R5 | MMC_RSP_R5 | MMC_CMD_ADTC; mmc_req.cmd = &mmc_cmd; mmc_req.data = &mmc_dat; @@ -456,11 +457,11 @@ static int brcmf_sdiod_sglist_rw(struct brcmf_sdio_dev *sdiodev, uint fn, mmc_cmd.arg |= (addr & 0x1FFFF) << 9; /* address */ mmc_cmd.arg |= mmc_dat.blocks & 0x1FF; /* block count */ /* incrementing addr for function 1 */ - if (fn == 1) + if (func->num == 1) addr += req_sz; - mmc_set_data_timeout(&mmc_dat, sdiodev->func[fn]->card); - mmc_wait_for_req(sdiodev->func[fn]->card->host, &mmc_req); + mmc_set_data_timeout(&mmc_dat, func->card); + mmc_wait_for_req(func->card->host, &mmc_req); ret = mmc_cmd.error ? mmc_cmd.error : mmc_dat.error; if (ret == -ENOMEDIUM) { @@ -540,7 +541,7 @@ int brcmf_sdiod_recv_pkt(struct brcmf_sdio_dev *sdiodev, struct sk_buff *pkt) addr &= SBSDIO_SB_OFT_ADDR_MASK; addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; - err = brcmf_sdiod_buff_read(sdiodev, SDIO_FUNC_2, addr, pkt); + err = brcmf_sdiod_buff_read(sdiodev, sdiodev->func[2], addr, pkt); done: return err; @@ -565,13 +566,13 @@ int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev, addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; if (pktq->qlen == 1) - err = brcmf_sdiod_buff_read(sdiodev, SDIO_FUNC_2, addr, + err = brcmf_sdiod_buff_read(sdiodev, sdiodev->func[2], addr, pktq->next); else if (!sdiodev->sg_support) { glom_skb = brcmu_pkt_buf_get_skb(totlen); if (!glom_skb) return -ENOMEM; - err = brcmf_sdiod_buff_read(sdiodev, SDIO_FUNC_2, addr, + err = brcmf_sdiod_buff_read(sdiodev, sdiodev->func[2], addr, glom_skb); if (err) goto done; @@ -581,7 +582,7 @@ int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev, skb_pull(glom_skb, skb->len); } } else - err = brcmf_sdiod_sglist_rw(sdiodev, SDIO_FUNC_2, false, addr, + err = brcmf_sdiod_sglist_rw(sdiodev, sdiodev->func[2], false, addr, pktq); done: @@ -613,7 +614,7 @@ int brcmf_sdiod_send_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes) addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; if (!err) - err = brcmf_sdiod_buff_write(sdiodev, SDIO_FUNC_2, addr, mypkt); + err = brcmf_sdiod_buff_write(sdiodev, sdiodev->func[2], addr, mypkt); brcmu_pkt_buf_free_skb(mypkt); @@ -639,13 +640,13 @@ int brcmf_sdiod_send_pkt(struct brcmf_sdio_dev *sdiodev, if (pktq->qlen == 1 || !sdiodev->sg_support) skb_queue_walk(pktq, skb) { - err = brcmf_sdiod_buff_write(sdiodev, SDIO_FUNC_2, + err = brcmf_sdiod_buff_write(sdiodev, sdiodev->func[2], addr, skb); if (err) break; } else - err = brcmf_sdiod_sglist_rw(sdiodev, SDIO_FUNC_2, true, addr, + err = brcmf_sdiod_sglist_rw(sdiodev, sdiodev->func[2], true, addr, pktq); return err; @@ -695,11 +696,11 @@ brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address, if (write) { memcpy(pkt->data, data, dsize); - err = brcmf_sdiod_buff_write(sdiodev, SDIO_FUNC_1, + err = brcmf_sdiod_buff_write(sdiodev, sdiodev->func[1], sdaddr, pkt); } else { - err = brcmf_sdiod_buff_read(sdiodev, SDIO_FUNC_1, + err = brcmf_sdiod_buff_read(sdiodev, sdiodev->func[1], sdaddr, pkt); } @@ -728,12 +729,12 @@ brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address, return err; } -int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, u8 fn) +int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, struct sdio_func *func) { brcmf_dbg(SDIO, "Enter\n"); /* Issue abort cmd52 command through F0 */ - brcmf_sdiod_func0_wb(sdiodev, SDIO_CCCR_ABORT, fn, NULL); + brcmf_sdiod_func0_wb(sdiodev, SDIO_CCCR_ABORT, func->num, NULL); brcmf_dbg(SDIO, "Exit\n"); return 0; @@ -1104,7 +1105,7 @@ static int brcmf_ops_sdio_suspend(struct device *dev) func = container_of(dev, struct sdio_func, dev); brcmf_dbg(SDIO, "Enter: F%d\n", func->num); - if (func->num != SDIO_FUNC_1) + if (func->num != 1) return 0; @@ -1133,7 +1134,7 @@ static int brcmf_ops_sdio_resume(struct device *dev) struct sdio_func *func = container_of(dev, struct sdio_func, dev); brcmf_dbg(SDIO, "Enter: F%d\n", func->num); - if (func->num != SDIO_FUNC_2) + if (func->num != 2) return 0; brcmf_sdiod_freezer_off(sdiodev); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 9b8bd870c1fc..c94625b6549f 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -1144,7 +1144,7 @@ static void brcmf_sdio_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx) rtx ? ", send NAK" : ""); if (abort) - brcmf_sdiod_abort(bus->sdiodev, SDIO_FUNC_2); + brcmf_sdiod_abort(bus->sdiodev, bus->sdiodev->func[2]); brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL, SFC_RF_TERM, &err); bus->sdcnt.f1regdata++; @@ -1193,7 +1193,7 @@ static void brcmf_sdio_txfail(struct brcmf_sdio *bus) brcmf_err("sdio error, abort command and terminate frame\n"); bus->sdcnt.tx_sderrs++; - brcmf_sdiod_abort(sdiodev, SDIO_FUNC_2); + brcmf_sdiod_abort(sdiodev, sdiodev->func[2]); brcmf_sdiod_writeb(sdiodev, SBSDIO_FUNC1_FRAMECTRL, SFC_WF_TERM, NULL); bus->sdcnt.f1regdata++; @@ -2055,7 +2055,7 @@ static int brcmf_sdio_txpkt_prep_sg(struct brcmf_sdio *bus, int ntail, ret; sdiodev = bus->sdiodev; - blksize = sdiodev->func[SDIO_FUNC_2]->cur_blksize; + blksize = sdiodev->func[2]->cur_blksize; /* sg entry alignment should be a divisor of block size */ WARN_ON(blksize % bus->sgentry_align); @@ -2423,7 +2423,7 @@ static void brcmf_sdio_bus_stop(struct device *dev) /* Turn off the bus (F2), free any pending packets */ brcmf_dbg(INTR, "disable SDIO interrupts\n"); - sdio_disable_func(sdiodev->func[SDIO_FUNC_2]); + sdio_disable_func(sdiodev->func[2]); /* Clear any pending interrupts now that F2 is disabled */ brcmf_sdiod_writel(sdiodev, core->base + __sd_reg(intstatus), @@ -4024,7 +4024,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err, brcmf_sdiod_writel(sdiod, core->base + __sd_reg(tosbmailboxdata), SDPCM_PROT_VERSION << SMB_DATA_VERSION_SHIFT, NULL); - err = sdio_enable_func(sdiodev->func[SDIO_FUNC_2]); + err = sdio_enable_func(sdiodev->func[2]); brcmf_dbg(INFO, "enable F2: err=%d\n", err); @@ -4040,7 +4040,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err, brcmf_sdiod_writeb(sdiodev, SBSDIO_WATERMARK, 8, &err); } else { /* Disable F2 again */ - sdio_disable_func(sdiodev->func[SDIO_FUNC_2]); + sdio_disable_func(sdiodev->func[2]); goto release; } @@ -4183,7 +4183,7 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) sdio_claim_host(bus->sdiodev->func[1]); /* Disable F2 to clear any intermediate frame state on the dongle */ - sdio_disable_func(bus->sdiodev->func[SDIO_FUNC_2]); + sdio_disable_func(bus->sdiodev->func[2]); bus->rxflow = false; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h index cae21d14042d..bc9e9bcf40e2 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h @@ -24,9 +24,6 @@ /* Maximum number of I/O funcs */ #define NUM_SDIO_FUNCS 3 -#define SDIO_FUNC_1 1 -#define SDIO_FUNC_2 2 - #define SDIOD_FBR_SIZE 0x100 /* io_en */ @@ -45,11 +42,13 @@ #define REG_F0_REG_MASK 0x7FF #define REG_F1_MISC_MASK 0x1FFFF -/* as of sdiod rev 0, supports 3 functions */ -#define SBSDIO_NUM_FUNCTION 3 - /* function 0 vendor specific CCCR registers */ +/* Interrupt enable bits for func 1 and 2 */ +#define SDIO_CCCR_IEN_BIT0 (1 << 0) +#define SDIO_CCCR_IEN_FUNC1 (1 << 1) +#define SDIO_CCCR_IEN_FUNC2 (1 << 2) + #define SDIO_CCCR_BRCM_CARDCAP 0xf0 #define SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT 0x02 #define SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT 0x04 @@ -349,7 +348,8 @@ int brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address, u8 *data, uint size); /* Issue an abort to the specified function */ -int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, u8 fn); +int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, struct sdio_func *func); + void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev); void brcmf_sdiod_change_state(struct brcmf_sdio_dev *sdiodev, enum brcmf_sdiod_state state);

[32/34] brcmfmac: Replace function index with function pointer

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