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03f380178d
* Move Meson64 to 5.6.y * Move Meson64 U-boot to 2020.04 Tested on Odroid C2 * Merge, replace and update patches from Khadas branch
37 lines
1.4 KiB
Diff
37 lines
1.4 KiB
Diff
From a5f6913dd6b3e22a30cc79a22d7e6e3365bd17bb Mon Sep 17 00:00:00 2001
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From: chewitt <christianshewitt@gmail.com>
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Date: Tue, 24 Dec 2019 05:50:45 +0000
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Subject: [PATCH 057/101] HACK: mmc: meson-gx: force max_segs/max_blk_count
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values in dram access quirk
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Temporary workaround for the G12A and G12B SDIO chip bug that causes sdio
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issues with brcmfmac. Patch is based on [1] by @hyphop (Khadas) and hints
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from @superna9999.
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[1] https://github.com/hyphop/khadas-linux-kernel/blob/master/patches/linux-5.4.5/0005-VIM3_wifi_hack.patch
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Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
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---
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drivers/mmc/host/meson-gx-mmc.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
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index 35400cf2a2e4..a49f63791b0e 100644
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--- a/drivers/mmc/host/meson-gx-mmc.c
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+++ b/drivers/mmc/host/meson-gx-mmc.c
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@@ -1144,8 +1144,10 @@ static int meson_mmc_probe(struct platform_device *pdev)
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mmc->caps |= MMC_CAP_CMD23;
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if (host->dram_access_quirk) {
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/* Limit to the available sram memory */
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- mmc->max_segs = SD_EMMC_SRAM_DATA_BUF_LEN / mmc->max_blk_size;
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- mmc->max_blk_count = mmc->max_segs;
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+ //mmc->max_segs = SD_EMMC_SRAM_DATA_BUF_LEN / mmc->max_blk_size;
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+ //mmc->max_blk_count = mmc->max_segs;
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+ mmc->max_segs = 1;
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+ mmc->max_blk_count = 2;
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} else {
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mmc->max_blk_count = CMD_CFG_LENGTH_MASK;
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mmc->max_segs = SD_EMMC_DESC_BUF_LEN /
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--
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2.17.1
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