diff options
Diffstat (limited to 'package/kernel/mac80211/patches/314-v4.16-0001-brcmfmac-Remove-r-w-_sdreg32.patch')
-rw-r--r-- | package/kernel/mac80211/patches/314-v4.16-0001-brcmfmac-Remove-r-w-_sdreg32.patch | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/314-v4.16-0001-brcmfmac-Remove-r-w-_sdreg32.patch b/package/kernel/mac80211/patches/314-v4.16-0001-brcmfmac-Remove-r-w-_sdreg32.patch new file mode 100644 index 0000000..291cd5d --- /dev/null +++ b/package/kernel/mac80211/patches/314-v4.16-0001-brcmfmac-Remove-r-w-_sdreg32.patch @@ -0,0 +1,227 @@ +From 3d110df8f74781354051e4bb1e3e97fa368b2f80 Mon Sep 17 00:00:00 2001 +From: Ian Molton <ian@mnementh.co.uk> +Date: Tue, 19 Dec 2017 13:47:07 +0100 +Subject: [PATCH] brcmfmac: Remove {r,w}_sdreg32 + +Remove yet another IO function from the code and replace with one +that already exists. + +Signed-off-by: Ian Molton <ian@mnementh.co.uk> +Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> +[arend: keep address calculation, ie. (base + offset) in one line] +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + .../wireless/broadcom/brcm80211/brcmfmac/sdio.c | 88 +++++++++++----------- + 1 file changed, 42 insertions(+), 46 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +@@ -660,30 +660,6 @@ static bool data_ok(struct brcmf_sdio *b + ((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) + { +@@ -1078,6 +1054,8 @@ static void brcmf_sdio_get_console_addr( + + 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; +@@ -1086,10 +1064,14 @@ static u32 brcmf_sdio_hostmail(struct br + 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 indicates the firmware has halted/crashed */ +@@ -1163,6 +1145,8 @@ static u32 brcmf_sdio_hostmail(struct br + + 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; +@@ -1204,7 +1188,8 @@ static void brcmf_sdio_rxfail(struct brc + + 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) +@@ -2291,6 +2276,7 @@ static uint brcmf_sdio_sendfromq(struct + { + struct sk_buff *pkt; + struct sk_buff_head pktq; ++ u32 intstat_addr = bus->sdio_core->base + SD_REG(intstatus); + u32 intstatus = 0; + int ret = 0, prec_out, i; + uint cnt = 0; +@@ -2329,7 +2315,8 @@ static uint brcmf_sdio_sendfromq(struct + 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, ++ intstat_addr, &ret); + sdio_release_host(bus->sdiodev->func[1]); + bus->sdcnt.f2txdata++; + if (ret != 0) +@@ -2413,12 +2400,13 @@ static int brcmf_sdio_tx_ctrlframe(struc + + 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"); + +@@ -2435,7 +2423,9 @@ static void brcmf_sdio_bus_stop(struct d + 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; + +@@ -2454,7 +2444,8 @@ static void brcmf_sdio_bus_stop(struct d + 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]); + } +@@ -2521,7 +2512,9 @@ static int brcmf_sdio_intr_rstatus(struc + + static void brcmf_sdio_dpc(struct brcmf_sdio *bus) + { ++ struct brcmf_sdio_dev *sdiod = bus->sdiodev; + u32 newstatus = 0; ++ u32 intstat_addr = bus->sdio_core->base + SD_REG(intstatus); + unsigned long intstatus; + uint txlimit = bus->txbound; /* Tx frames to send before resched */ + uint framecnt; /* Temporary counter of tx/rx frames */ +@@ -2576,9 +2569,10 @@ static void brcmf_sdio_dpc(struct brcmf_ + */ + 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, intstat_addr, I_HMB_FC_CHANGE, &err); ++ ++ newstatus = brcmf_sdiod_readl(sdiod, intstat_addr, &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))); +@@ -4017,22 +4011,21 @@ static void brcmf_sdio_firmware_callback + 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); +@@ -4063,8 +4056,9 @@ static void brcmf_sdio_firmware_callback + } + + /* 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]); + + +@@ -4074,7 +4068,9 @@ static void brcmf_sdio_firmware_callback + 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 { |