Return-path: Received: from [217.148.43.144] ([217.148.43.144]:49524 "EHLO mnementh.co.uk" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751011AbdGZUqj (ORCPT ); Wed, 26 Jul 2017 16:46:39 -0400 From: Ian Molton To: linux-wireless@vger.kernel.org Cc: arend.vanspriel@broadcom.com, franky.lin@broadcom.com, hante.meuleman@broadcom.com Subject: [PATCH 27/34] brcmfmac: Remove {r,w}_sdreg32 Date: Wed, 26 Jul 2017 21:25:50 +0100 Message-Id: <20170726202557.15632-28-ian@mnementh.co.uk> (sfid-20170726_230043_576719_2885FD3F) In-Reply-To: <20170726202557.15632-1-ian@mnementh.co.uk> References: <20170726202557.15632-1-ian@mnementh.co.uk> Sender: linux-wireless-owner@vger.kernel.org List-ID: Remove yet another IO function from the code and replace with one that already exists. Signed-off-by: Ian Molton --- .../wireless/broadcom/brcm80211/brcmfmac/sdio.c | 91 +++++++++++----------- 1 file changed, 45 insertions(+), 46 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 9ef137d6eb3f..bee377fcc48f 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -659,30 +659,6 @@ static bool data_ok(struct brcmf_sdio *bus) ((u8)(bus->tx_max - bus->tx_seq) & 0x80) == 0; } -/* - * Reads a register in the SDIO hardware block. This block occupies a series of - * adresses on the 32 bit backplane bus. - */ -static int r_sdreg32(struct brcmf_sdio *bus, u32 *regvar, u32 offset) -{ - struct brcmf_core *core = bus->sdio_core; - int ret; - - *regvar = brcmf_sdiod_readl(bus->sdiodev, core->base + offset, &ret); - - return ret; -} - -static int w_sdreg32(struct brcmf_sdio *bus, u32 regval, u32 reg_offset) -{ - struct brcmf_core *core = bus->sdio_core; - int ret; - - brcmf_sdiod_writel(bus->sdiodev, core->base + reg_offset, regval, &ret); - - return ret; -} - static int brcmf_sdio_kso_control(struct brcmf_sdio *bus, bool on) { @@ -1077,6 +1053,8 @@ static void brcmf_sdio_get_console_addr(struct brcmf_sdio *bus) static u32 brcmf_sdio_hostmail(struct brcmf_sdio *bus) { + struct brcmf_sdio_dev *sdiod = bus->sdiodev; + struct brcmf_core *core = bus->sdio_core; u32 intstatus = 0; u32 hmb_data; u8 fcbits; @@ -1085,10 +1063,13 @@ 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, __sd_reg(tohostmailboxdata)); + hmb_data = brcmf_sdiod_readl(sdiod, core->base + + __sd_reg(tohostmailboxdata), &ret); + + if (!ret) + brcmf_sdiod_writel(sdiod, core->base + __sd_reg(tosbmailbox), + SMB_INT_ACK, &ret); - if (ret == 0) - w_sdreg32(bus, SMB_INT_ACK, __sd_reg(tosbmailbox)); bus->sdcnt.f1regdata += 2; /* Dongle recomposed rx frames, accept them again */ @@ -1157,6 +1138,8 @@ static u32 brcmf_sdio_hostmail(struct brcmf_sdio *bus) static void brcmf_sdio_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx) { + struct brcmf_sdio_dev *sdiod = bus->sdiodev; + struct brcmf_core *core = bus->sdio_core; uint retries = 0; u16 lastrbc; u8 hi, lo; @@ -1196,7 +1179,8 @@ static void brcmf_sdio_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx) if (rtx) { bus->sdcnt.rxrtx++; - err = w_sdreg32(bus, SMB_NAK, __sd_reg(tosbmailbox)); + brcmf_sdiod_writel(sdiod, core->base + __sd_reg(tosbmailbox), + SMB_NAK, &err); bus->sdcnt.f1regdata++; if (err == 0) @@ -2280,6 +2264,7 @@ static int brcmf_sdio_txpkt(struct brcmf_sdio *bus, struct sk_buff_head *pktq, static uint brcmf_sdio_sendfromq(struct brcmf_sdio *bus, uint maxframes) { + struct brcmf_core *core = bus->sdio_core; struct sk_buff *pkt; struct sk_buff_head pktq; u32 intstatus = 0; @@ -2320,7 +2305,9 @@ 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, __sd_reg(intstatus)); + intstatus = brcmf_sdiod_readl(bus->sdiodev, core->base + + __sd_reg(intstatus), + &ret); sdio_release_host(bus->sdiodev->func[1]); bus->sdcnt.f2txdata++; if (ret != 0) @@ -2404,12 +2391,13 @@ static int brcmf_sdio_tx_ctrlframe(struct brcmf_sdio *bus, u8 *frame, u16 len) static void brcmf_sdio_bus_stop(struct device *dev) { - u32 local_hostintmask; - u8 saveclk; - int err; struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; struct brcmf_sdio *bus = sdiodev->bus; + struct brcmf_core *core = bus->sdio_core; + u32 local_hostintmask; + u8 saveclk; + int err; brcmf_dbg(TRACE, "Enter\n"); @@ -2426,7 +2414,9 @@ 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, __sd_reg(hostintmask)); + brcmf_sdiod_writel(sdiodev, core->base + __sd_reg(hostintmask), + 0, NULL); + local_hostintmask = bus->hostintmask; bus->hostintmask = 0; @@ -2445,7 +2435,8 @@ 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, __sd_reg(intstatus)); + brcmf_sdiod_writel(sdiodev, core->base + __sd_reg(intstatus), + local_hostintmask, NULL); sdio_release_host(sdiodev->func[1]); } @@ -2511,6 +2502,8 @@ static int brcmf_sdio_intr_rstatus(struct brcmf_sdio *bus) static void brcmf_sdio_dpc(struct brcmf_sdio *bus) { + struct brcmf_core *core = bus->sdio_core; + struct brcmf_sdio_dev *sdiod = bus->sdiodev; u32 newstatus = 0; unsigned long intstatus; uint txlimit = bus->txbound; /* Tx frames to send before resched */ @@ -2566,9 +2559,13 @@ 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, __sd_reg(intstatus)); + brcmf_sdiod_writel(sdiod, core->base + __sd_reg(intstatus), + I_HMB_FC_CHANGE, &err); + + newstatus = brcmf_sdiod_readl(sdiod, + core->base + __sd_reg(intstatus), + &err); - 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))); @@ -3992,22 +3989,21 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err, const struct firmware *code, void *nvram, u32 nvram_len) { - struct brcmf_bus *bus_if; - struct brcmf_sdio_dev *sdiodev; - struct brcmf_sdio *bus; + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; + struct brcmf_sdio *bus = sdiodev->bus; + struct brcmf_sdio_dev *sdiod = bus->sdiodev; + struct brcmf_core *core = bus->sdio_core; u8 saveclk; brcmf_dbg(TRACE, "Enter: dev=%s, err=%d\n", dev_name(dev), err); - bus_if = dev_get_drvdata(dev); - sdiodev = bus_if->bus_priv.sdio; + if (err) goto fail; if (!bus_if->drvr) return; - bus = sdiodev->bus; - /* try to download image and nvram to the dongle */ bus->alp_only = true; err = brcmf_sdio_download_firmware(bus, code, nvram, nvram_len); @@ -4038,8 +4034,9 @@ 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, - __sd_reg(tosbmailboxdata)); + 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]); @@ -4049,7 +4046,9 @@ 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, __sd_reg(hostintmask)); + brcmf_sdiod_writel(sdiod, core->base + __sd_reg(hostintmask), + bus->hostintmask, NULL); + brcmf_sdiod_writeb(sdiodev, SBSDIO_WATERMARK, 8, &err); } else { -- 2.11.0