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authorYann Gautier <yann.gautier@foss.st.com>2023-06-19 13:51:16 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2023-06-20 11:44:40 +0200
commit88167e6c2e8e5d99f83a4d1d466e1d9c35c8f596 (patch)
tree23ecb913ad656051ebb4e7725b7f37d7cb7eb24a
parent1f9f2cf3145e67dc5bbc0ac25b52bfa11b17a882 (diff)
mmc: mmci: add stm32_idmabsize_align parameter
The alignment for the IDMA size depends on the peripheral version, it should then be configurable. Add stm32_idmabsize_align in the variant structure. And remove now unused (and wrong) MMCI_STM32_IDMABNDT_* macros. Signed-off-by: Yann Gautier <yann.gautier@foss.st.com> Link: https://lore.kernel.org/r/20230619115120.64474-3-yann.gautier@foss.st.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
-rw-r--r--drivers/mmc/host/mmci.c2
-rw-r--r--drivers/mmc/host/mmci.h3
-rw-r--r--drivers/mmc/host/mmci_stm32_sdmmc.c4
3 files changed, 5 insertions, 4 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 8a661ea1a2d1..192d2a594713 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -270,6 +270,7 @@ static struct variant_data variant_stm32_sdmmc = {
.datactrl_any_blocksz = true,
.datactrl_mask_sdio = MCI_DPSM_ST_SDIOEN,
.stm32_idmabsize_mask = GENMASK(12, 5),
+ .stm32_idmabsize_align = BIT(5),
.busy_timeout = true,
.busy_detect = true,
.busy_detect_flag = MCI_STM32_BUSYD0,
@@ -296,6 +297,7 @@ static struct variant_data variant_stm32_sdmmcv2 = {
.datactrl_any_blocksz = true,
.datactrl_mask_sdio = MCI_DPSM_ST_SDIOEN,
.stm32_idmabsize_mask = GENMASK(16, 5),
+ .stm32_idmabsize_align = BIT(5),
.dma_lli = true,
.busy_timeout = true,
.busy_detect = true,
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h
index 12a7bbd3ce26..b1968cafc58b 100644
--- a/drivers/mmc/host/mmci.h
+++ b/drivers/mmc/host/mmci.h
@@ -227,8 +227,6 @@
#define MMCI_STM32_IDMALLIEN BIT(1)
#define MMCI_STM32_IDMABSIZER 0x054
-#define MMCI_STM32_IDMABNDT_SHIFT 5
-#define MMCI_STM32_IDMABNDT_MASK GENMASK(12, 5)
#define MMCI_STM32_IDMABASE0R 0x058
@@ -374,6 +372,7 @@ struct variant_data {
u32 opendrain;
u8 dma_lli:1;
u32 stm32_idmabsize_mask;
+ u32 stm32_idmabsize_align;
void (*init)(struct mmci_host *host);
};
diff --git a/drivers/mmc/host/mmci_stm32_sdmmc.c b/drivers/mmc/host/mmci_stm32_sdmmc.c
index 953d1be4e379..1bc775b9e714 100644
--- a/drivers/mmc/host/mmci_stm32_sdmmc.c
+++ b/drivers/mmc/host/mmci_stm32_sdmmc.c
@@ -15,7 +15,6 @@
#include "mmci.h"
#define SDMMC_LLI_BUF_LEN PAGE_SIZE
-#define SDMMC_IDMA_BURST BIT(MMCI_STM32_IDMABNDT_SHIFT)
#define DLYB_CR 0x0
#define DLYB_CR_DEN BIT(0)
@@ -69,7 +68,8 @@ static int sdmmc_idma_validate_data(struct mmci_host *host,
idma->use_bounce_buffer = false;
for_each_sg(data->sg, sg, data->sg_len - 1, i) {
if (!IS_ALIGNED(sg->offset, sizeof(u32)) ||
- !IS_ALIGNED(sg->length, SDMMC_IDMA_BURST)) {
+ !IS_ALIGNED(sg->length,
+ host->variant->stm32_idmabsize_align)) {
dev_dbg(mmc_dev(host->mmc),
"unaligned scatterlist: ofst:%x length:%d\n",
data->sg->offset, data->sg->length);