Return-path: Received: from [217.148.43.144] ([217.148.43.144]:48238 "EHLO mnementh.co.uk" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751450AbdGZUpV (ORCPT ); Wed, 26 Jul 2017 16:45:21 -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 29/34] brcmfmac: stabilise the value of ->sbwad in use for some xfer routines. Date: Wed, 26 Jul 2017 21:25:52 +0100 Message-Id: <20170726202557.15632-30-ian@mnementh.co.uk> (sfid-20170726_224527_536833_19C5AD00) 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: The IO functions operate within the Chipcommon IO window. Explicitly set this, rather than relying on the last initialisation IO access to leave it set to the right value by chance. Signed-off-by: Ian Molton --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 8 ++++---- drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 5 +++++ drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h | 1 + 3 files changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c index 6884d1f0b935..26b39f0ffdd4 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c @@ -529,7 +529,7 @@ int brcmf_sdiod_recv_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes) int brcmf_sdiod_recv_pkt(struct brcmf_sdio_dev *sdiodev, struct sk_buff *pkt) { - u32 addr = sdiodev->sbwad; + u32 addr = sdiodev->cc_core->base; int err = 0; brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", addr, pkt->len); @@ -552,7 +552,7 @@ int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev, { struct sk_buff *glom_skb = NULL; struct sk_buff *skb; - u32 addr = sdiodev->sbwad; + u32 addr = sdiodev->cc_core->base; int err = 0; brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", @@ -593,7 +593,7 @@ int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev, int brcmf_sdiod_send_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes) { struct sk_buff *mypkt; - u32 addr = sdiodev->sbwad; + u32 addr = sdiodev->cc_core->base; int err; mypkt = brcmu_pkt_buf_get_skb(nbytes); @@ -626,7 +626,7 @@ int brcmf_sdiod_send_pkt(struct brcmf_sdio_dev *sdiodev, struct sk_buff_head *pktq) { struct sk_buff *skb; - u32 addr = sdiodev->sbwad; + u32 addr = sdiodev->cc_core->base; int err; brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", addr, pktq->qlen); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index b06018e589bb..91a17ef63a6b 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -3838,6 +3838,11 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus) if (!bus->sdio_core) goto fail; + /* Pick up the CHIPCOMMON core info struct, for bulk IO in bcmsdh.c */ + sdiodev->cc_core = brcmf_chip_get_core(bus->ci, BCMA_CORE_CHIPCOMMON); + if (!sdiodev->cc_core) + goto fail; + sdiodev->settings = brcmf_get_module_param(sdiodev->dev, BRCMF_BUSTYPE_SDIO, bus->ci->chip, diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h index fb4f24dfc99d..1ab95011adb0 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h @@ -178,6 +178,7 @@ struct brcmf_sdio_dev { struct sdio_func *func[SDIO_MAX_FUNCS]; u8 num_funcs; /* Supported funcs on client */ u32 sbwad; /* Save backplane window address */ + struct brcmf_core *cc_core; /* chipcommon core info struct */ struct brcmf_sdio *bus; struct device *dev; struct brcmf_bus *bus_if; -- 2.11.0