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Commit af35f55f authored by Arend van Spriel's avatar Arend van Spriel Committed by John W. Linville
Browse files

brcmfmac: add sdio drive strength programming for bcm4334 chipset 



The table for BCM4334 SDIO drive strength programming was missing
from the driver. Adding it with this patch set.

Reviewed-by: default avatarFranky Lin <frankyl@broadcom.com>
Reviewed-by: default avatarHante Meuleman <meuleman@broadcom.com>
Reviewed-by: default avatarPieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: default avatarArend van Spriel <arend@broadcom.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 2375d970

drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c

+12 −0
Original line number Diff line number Diff line
@@ -83,6 +83,13 @@ static const struct sdiod_drive_str sdiod_drvstr_tab1_1v8[] = { 
	{0, 0x1}

};



/* SDIO Drive Strength to sel value table for PMU Rev 17 (1.8v) */

static const struct sdiod_drive_str sdiod_drvstr_tab6_1v8[] = {

	{3, 0x3},

	{2, 0x2},

	{1, 0x1},

	{0, 0x0} };



/* SDIO Drive Strength to sel value table for 43143 PMU Rev 17 (3.3V) */

static const struct sdiod_drive_str sdiod_drvstr_tab2_3v3[] = {

	{16, 0x7},
@@ -757,6 +764,11 @@ brcmf_sdio_chip_drivestrengthinit(struct brcmf_sdio_dev *sdiodev, 
		str_mask = 0x00003800;

		str_shift = 11;

		break;

	case SDIOD_DRVSTR_KEY(BCM4334_CHIP_ID, 17):

		str_tab = sdiod_drvstr_tab6_1v8;

		str_mask = 0x00001800;

		str_shift = 11;

		break;

	case SDIOD_DRVSTR_KEY(BCM43143_CHIP_ID, 17):

		/* note: 43143 does not support tristate */

		i = ARRAY_SIZE(sdiod_drvstr_tab2_3v3) - 1;