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111 lines
4.0 KiB
111 lines
4.0 KiB
From 99d7b6fdfc8c24052c92c720330d31ca1332f996 Mon Sep 17 00:00:00 2001
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From: Ian Molton <ian@mnementh.co.uk>
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Date: Tue, 19 Dec 2017 13:47:11 +0100
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Subject: [PATCH] brcmfmac: Remove func0 from function array
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func0 is not provided by the mmc stack as a function when probing.
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Instead providing specific access functions to read/write it.
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This prepares for a patch to remove the actual array entry itself.
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Signed-off-by: Ian Molton <ian@mnementh.co.uk>
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Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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[arend: rephrased the commit message]
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[arend: removed unrelated comment for which separate patch is warranted]
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Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 5 +----
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drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 7 ++++---
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drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h | 13 ++++++-------
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3 files changed, 11 insertions(+), 14 deletions(-)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
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@@ -1022,8 +1022,7 @@ static int brcmf_ops_sdio_probe(struct s
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/* store refs to functions used. mmc_card does
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* not hold the F0 function pointer.
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*/
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- sdiodev->func[0] = kmemdup(func, sizeof(*func), GFP_KERNEL);
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- sdiodev->func[0]->num = 0;
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+ sdiodev->func[0] = NULL;
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sdiodev->func[1] = func->card->sdio_func[0];
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sdiodev->func[2] = func;
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@@ -1049,7 +1048,6 @@ static int brcmf_ops_sdio_probe(struct s
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fail:
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dev_set_drvdata(&func->dev, NULL);
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dev_set_drvdata(&sdiodev->func[1]->dev, NULL);
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- kfree(sdiodev->func[0]);
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kfree(sdiodev);
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kfree(bus_if);
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return err;
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@@ -1082,7 +1080,6 @@ static void brcmf_ops_sdio_remove(struct
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dev_set_drvdata(&sdiodev->func[2]->dev, NULL);
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kfree(bus_if);
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- kfree(sdiodev->func[0]);
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kfree(sdiodev);
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}
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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@@ -3771,9 +3771,10 @@ static u32 brcmf_sdio_buscore_read32(voi
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u32 val, rev;
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val = brcmf_sdiod_readl(sdiodev, addr, NULL);
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- if ((sdiodev->func[0]->device == SDIO_DEVICE_ID_BROADCOM_4335_4339 ||
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- sdiodev->func[0]->device == SDIO_DEVICE_ID_BROADCOM_4339) &&
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- addr == CORE_CC_REG(SI_ENUM_BASE, chipid)) {
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+
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+ if ((sdiodev->func[1]->device == SDIO_DEVICE_ID_BROADCOM_4335_4339 ||
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+ sdiodev->func[1]->device == SDIO_DEVICE_ID_BROADCOM_4339) &&
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+ addr == CORE_CC_REG(SI_ENUM_BASE, chipid)) {
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rev = (val & CID_REV_MASK) >> CID_REV_SHIFT;
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if (rev >= 2) {
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val &= ~CID_ID_MASK;
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h
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@@ -21,7 +21,9 @@
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#include <linux/firmware.h>
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#include "firmware.h"
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-#define SDIO_FUNC_0 0
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+/* Maximum number of I/O funcs */
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+#define NUM_SDIO_FUNCS 3
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+
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#define SDIO_FUNC_1 1
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#define SDIO_FUNC_2 2
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@@ -39,9 +41,6 @@
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#define INTR_STATUS_FUNC1 0x2
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#define INTR_STATUS_FUNC2 0x4
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-/* Maximum number of I/O funcs */
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-#define SDIOD_MAX_IOFUNCS 7
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-
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/* mask of register map */
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#define REG_F0_REG_MASK 0x7FF
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#define REG_F1_MISC_MASK 0x1FFFF
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@@ -175,7 +174,7 @@ struct brcmf_sdio;
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struct brcmf_sdiod_freezer;
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struct brcmf_sdio_dev {
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- struct sdio_func *func[SDIO_MAX_FUNCS];
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+ struct sdio_func *func[NUM_SDIO_FUNCS];
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u8 num_funcs; /* Supported funcs on client */
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u32 sbwad; /* Save backplane window address */
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struct brcmf_core *cc_core; /* chipcommon core info struct */
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@@ -297,10 +296,10 @@ void brcmf_sdiod_intr_unregister(struct
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/* SDIO device register access interface */
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/* Accessors for SDIO Function 0 */
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#define brcmf_sdiod_func0_rb(sdiodev, addr, r) \
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- sdio_f0_readb((sdiodev)->func[0], (addr), (r))
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+ sdio_f0_readb((sdiodev)->func[1], (addr), (r))
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#define brcmf_sdiod_func0_wb(sdiodev, addr, v, ret) \
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- sdio_f0_writeb((sdiodev)->func[0], (v), (addr), (ret))
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+ sdio_f0_writeb((sdiodev)->func[1], (v), (addr), (ret))
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/* Accessors for SDIO Function 1 */
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#define brcmf_sdiod_readb(sdiodev, addr, r) \
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