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MMC host:

Browse source 
- cqhci: Provide helper for resetting both SDHCI and CQHCI
  - sdhci_am654: Fix reset for CQHCI
  - sdhci-brcmstb: Fix reset for CQHCI
  - sdhci-esdhc-imx: Fix reset for CQHCI
  - sdhci-esdhc-imx: Fixup support for MMC_CAP_8_BIT_DATA
  - sdhci-of-arasan: Fix reset for CQHCI
  - sdhci-tegra: Fix reset for CQHCI
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Merge tag 'mmc-v6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fixes from Ulf Hansson:

 - Provide helper for resetting both SDHCI and CQHCI

 - Fix reset for CQHCI (am654, brcmstb, esdhc-imx, of-arasan, tegra)

 - Fixup support for MMC_CAP_8_BIT_DATA (esdhc-imx)

* tag 'mmc-v6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: sdhci-esdhc-imx: use the correct host caps for MMC_CAP_8_BIT_DATA
  mmc: sdhci_am654: Fix SDHCI_RESET_ALL for CQHCI
  mmc: sdhci-tegra: Fix SDHCI_RESET_ALL for CQHCI
  mms: sdhci-esdhc-imx: Fix SDHCI_RESET_ALL for CQHCI
  mmc: sdhci-brcmstb: Fix SDHCI_RESET_ALL for CQHCI
  mmc: sdhci-of-arasan: Fix SDHCI_RESET_ALL for CQHCI
  mmc: cqhci: Provide helper for resetting both SDHCI and CQHCI
This commit is contained in:
Linus Torvalds 2022-11-11 09:09:04 -08:00
commit 7c42d6f5e6
6 changed files with 38 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/mmc/host/sdhci-brcmstb.c
View file

@ -12,6 +12,7 @@
#include <linux/bitops.h>
#include <linux/delay.h>
#include "sdhci-cqhci.h"
#include "sdhci-pltfm.h"
#include "cqhci.h"
@ -55,7 +56,7 @@ static void brcmstb_reset(struct sdhci_host *host, u8 mask)
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct sdhci_brcmstb_priv *priv = sdhci_pltfm_priv(pltfm_host);
sdhci_reset(host, mask);
sdhci_and_cqhci_reset(host, mask);
/* Reset will clear this, so re-enable it */
if (priv->flags & BRCMSTB_PRIV_FLAGS_GATE_CLOCK)

24
drivers/mmc/host/sdhci-cqhci.h Normal file
View file

@ -0,0 +1,24 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2022 The Chromium OS Authors
*
* Support that applies to the combination of SDHCI and CQHCI, while not
* expressing a dependency between the two modules.
*/
#ifndef __MMC_HOST_SDHCI_CQHCI_H__
#define __MMC_HOST_SDHCI_CQHCI_H__
#include "cqhci.h"
#include "sdhci.h"
static inline void sdhci_and_cqhci_reset(struct sdhci_host *host, u8 mask)
{
if ((host->mmc->caps2 & MMC_CAP2_CQE) && (mask & SDHCI_RESET_ALL) &&
host->mmc->cqe_private)
cqhci_deactivate(host->mmc);
sdhci_reset(host, mask);
}
#endif /* __MMC_HOST_SDHCI_CQHCI_H__ */

7
drivers/mmc/host/sdhci-esdhc-imx.c
View file

@ -25,6 +25,7 @@
#include <linux/of_device.h>
#include <linux/pinctrl/consumer.h>
#include <linux/pm_runtime.h>
#include "sdhci-cqhci.h"
#include "sdhci-pltfm.h"
#include "sdhci-esdhc.h"
#include "cqhci.h"
@ -1288,7 +1289,7 @@ static void esdhc_set_uhs_signaling(struct sdhci_host *host, unsigned timing)
static void esdhc_reset(struct sdhci_host *host, u8 mask)
{
sdhci_reset(host, mask);
sdhci_and_cqhci_reset(host, mask);
sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
@ -1671,14 +1672,14 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
if (imx_data->socdata->flags & ESDHC_FLAG_ERR004536)
host->quirks |= SDHCI_QUIRK_BROKEN_ADMA;
if (host->caps & MMC_CAP_8_BIT_DATA &&
if (host->mmc->caps & MMC_CAP_8_BIT_DATA &&
imx_data->socdata->flags & ESDHC_FLAG_HS400)
host->mmc->caps2 |= MMC_CAP2_HS400;
if (imx_data->socdata->flags & ESDHC_FLAG_BROKEN_AUTO_CMD23)
host->quirks2 |= SDHCI_QUIRK2_ACMD23_BROKEN;
if (host->caps & MMC_CAP_8_BIT_DATA &&
if (host->mmc->caps & MMC_CAP_8_BIT_DATA &&
imx_data->socdata->flags & ESDHC_FLAG_HS400_ES) {
host->mmc->caps2 |= MMC_CAP2_HS400_ES;
host->mmc_host_ops.hs400_enhanced_strobe =

3
drivers/mmc/host/sdhci-of-arasan.c
View file

@ -25,6 +25,7 @@
#include <linux/firmware/xlnx-zynqmp.h>
#include "cqhci.h"
#include "sdhci-cqhci.h"
#include "sdhci-pltfm.h"
#define SDHCI_ARASAN_VENDOR_REGISTER 0x78
@ -366,7 +367,7 @@ static void sdhci_arasan_reset(struct sdhci_host *host, u8 mask)
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct sdhci_arasan_data *sdhci_arasan = sdhci_pltfm_priv(pltfm_host);
sdhci_reset(host, mask);
sdhci_and_cqhci_reset(host, mask);
if (sdhci_arasan->quirks & SDHCI_ARASAN_QUIRK_FORCE_CDTEST) {
ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);

3
drivers/mmc/host/sdhci-tegra.c
View file

@ -28,6 +28,7 @@
#include <soc/tegra/common.h>
#include "sdhci-cqhci.h"
#include "sdhci-pltfm.h"
#include "cqhci.h"
@ -367,7 +368,7 @@ static void tegra_sdhci_reset(struct sdhci_host *host, u8 mask)
const struct sdhci_tegra_soc_data *soc_data = tegra_host->soc_data;
u32 misc_ctrl, clk_ctrl, pad_ctrl;
sdhci_reset(host, mask);
sdhci_and_cqhci_reset(host, mask);
if (!(mask & SDHCI_RESET_ALL))
return;

7
drivers/mmc/host/sdhci_am654.c
View file

@ -15,6 +15,7 @@
#include <linux/sys_soc.h>
#include "cqhci.h"
#include "sdhci-cqhci.h"
#include "sdhci-pltfm.h"
/* CTL_CFG Registers */
@ -378,7 +379,7 @@ static void sdhci_am654_reset(struct sdhci_host *host, u8 mask)
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct sdhci_am654_data *sdhci_am654 = sdhci_pltfm_priv(pltfm_host);
sdhci_reset(host, mask);
sdhci_and_cqhci_reset(host, mask);
if (sdhci_am654->quirks & SDHCI_AM654_QUIRK_FORCE_CDTEST) {
ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
@ -464,7 +465,7 @@ static struct sdhci_ops sdhci_am654_ops = {
.set_clock = sdhci_am654_set_clock,
.write_b = sdhci_am654_write_b,
.irq = sdhci_am654_cqhci_irq,
.reset = sdhci_reset,
.reset = sdhci_and_cqhci_reset,
};
static const struct sdhci_pltfm_data sdhci_am654_pdata = {
@ -494,7 +495,7 @@ static struct sdhci_ops sdhci_j721e_8bit_ops = {
.set_clock = sdhci_am654_set_clock,
.write_b = sdhci_am654_write_b,
.irq = sdhci_am654_cqhci_irq,
.reset = sdhci_reset,
.reset = sdhci_and_cqhci_reset,
};
static const struct sdhci_pltfm_data sdhci_j721e_8bit_pdata = {