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Merge tag 'mmc-v5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

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Pull MMC fixes from Ulf Hansson:
 "MMC core:
   - Fix initialization of block size when ext_csd isn't present

  MMC host:
   - sdhci-brcmstb: Fix mmc timeout errors on S5 suspend
   - sdhci-of-dwcmshc: Fix request accessing RPMB
   - sdhci-xenon: Fix 1.8v regulator stabilization"

* tag 'mmc-v5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: core: don't initialize block size from ext_csd if not present
  mmc: sdhci-brcmstb: Fix mmc timeout errors on S5 suspend
  mmc: sdhci-xenon: fix 1.8v regulator stabilization
  mmc: sdhci-of-dwcmshc: fix rpmb access
This commit is contained in:
Linus Torvalds
2021-01-22 13:43:42 -08:00
parent 9887e9af2d b503087445
commit 59a4560e85
4 changed files with 37 additions and 7 deletions
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4
drivers/mmc/core/queue.c
View File

@@ -384,8 +384,10 @@ static void mmc_setup_queue(struct mmc_queue *mq, struct mmc_card *card)
"merging was advertised but not possible");
blk_queue_max_segments(mq->queue, mmc_get_max_segments(host));
if (mmc_card_mmc(card))
if (mmc_card_mmc(card) && card->ext_csd.data_sector_size) {
block_size = card->ext_csd.data_sector_size;
WARN_ON(block_size != 512 && block_size != 4096);
}
blk_queue_logical_block_size(mq->queue, block_size);
/*

6
drivers/mmc/host/sdhci-brcmstb.c
View File

@@ -314,11 +314,7 @@ err_clk:
static void sdhci_brcmstb_shutdown(struct platform_device *pdev)
{
int ret;
ret = sdhci_pltfm_unregister(pdev);
if (ret)
dev_err(&pdev->dev, "failed to shutdown\n");
sdhci_pltfm_suspend(&pdev->dev);
}
MODULE_DEVICE_TABLE(of, sdhci_brcm_of_match);

27
drivers/mmc/host/sdhci-of-dwcmshc.c
View File

@@ -16,6 +16,8 @@
#include "sdhci-pltfm.h"
#define SDHCI_DWCMSHC_ARG2_STUFF GENMASK(31, 16)
/* DWCMSHC specific Mode Select value */
#define DWCMSHC_CTRL_HS400 0x7
@@ -49,6 +51,29 @@ static void dwcmshc_adma_write_desc(struct sdhci_host *host, void **desc,
sdhci_adma_write_desc(host, desc, addr, len, cmd);
}
static void dwcmshc_check_auto_cmd23(struct mmc_host *mmc,
struct mmc_request *mrq)
{
struct sdhci_host *host = mmc_priv(mmc);
/*
* No matter V4 is enabled or not, ARGUMENT2 register is 32-bit
* block count register which doesn't support stuff bits of
* CMD23 argument on dwcmsch host controller.
*/
if (mrq->sbc && (mrq->sbc->arg & SDHCI_DWCMSHC_ARG2_STUFF))
host->flags &= ~SDHCI_AUTO_CMD23;
else
host->flags |= SDHCI_AUTO_CMD23;
}
static void dwcmshc_request(struct mmc_host *mmc, struct mmc_request *mrq)
{
dwcmshc_check_auto_cmd23(mmc, mrq);
sdhci_request(mmc, mrq);
}
static void dwcmshc_set_uhs_signaling(struct sdhci_host *host,
unsigned int timing)
{
@@ -133,6 +158,8 @@ static int dwcmshc_probe(struct platform_device *pdev)
sdhci_get_of_property(pdev);
host->mmc_host_ops.request = dwcmshc_request;
err = sdhci_add_host(host);
if (err)
goto err_clk;

7
drivers/mmc/host/sdhci-xenon.c
View File

@@ -168,7 +168,12 @@ static void xenon_reset_exit(struct sdhci_host *host,
/* Disable tuning request and auto-retuning again */
xenon_retune_setup(host);
xenon_set_acg(host, true);
/*
* The ACG should be turned off at the early init time, in order
* to solve a possible issues with the 1.8V regulator stabilization.
* The feature is enabled in later stage.
*/
xenon_set_acg(host, false);
xenon_set_sdclk_off_idle(host, sdhc_id, false);