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authorWolfram Sang <wsa+renesas@sang-engineering.com>2022-11-02 13:54:30 +0100
committerUlf Hansson <ulf.hansson@linaro.org>2022-12-07 13:22:37 +0100
commit43c487c28f9c353a9690f975e7b7dc56be144427 (patch)
treec8a1d97c1e055de48897f0f41795cc4c7d8fcf43
parent8840e1c13cb40d2a207f875f3c730f399a21d4d4 (diff)
downloadlinux-43c487c28f9c353a9690f975e7b7dc56be144427.tar.bz2
mmc: tmio: remove 'alignment_shift' from platform data
There is only one alignment shift for one type of Renesas SDHI. Encode it directly in its DMA driver to reduce complexity and ease further simplifications. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/20221102125430.28466-3-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
-rw-r--r--drivers/mmc/host/renesas_sdhi_core.c1
-rw-r--r--drivers/mmc/host/renesas_sdhi_sys_dmac.c4
-rw-r--r--include/linux/mfd/tmio.h1
3 files changed, 2 insertions, 4 deletions
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index 0733951325e9..b93ab11f112a 100644
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -1018,7 +1018,6 @@ int renesas_sdhi_probe(struct platform_device *pdev,
dma_priv->filter = shdma_chan_filter;
dma_priv->enable = renesas_sdhi_enable_dma;
- mmc_data->alignment_shift = 1; /* 2-byte alignment */
mmc_data->capabilities |= MMC_CAP_MMC_HIGHSPEED;
/*
diff --git a/drivers/mmc/host/renesas_sdhi_sys_dmac.c b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
index c4545cb143dd..b559ad38b667 100644
--- a/drivers/mmc/host/renesas_sdhi_sys_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
@@ -160,7 +160,7 @@ static void renesas_sdhi_sys_dmac_start_dma_rx(struct tmio_mmc_host *host)
dma_cookie_t cookie;
int ret, i;
bool aligned = true, multiple = true;
- unsigned int align = (1 << host->pdata->alignment_shift) - 1;
+ unsigned int align = 1; /* 2-byte alignment */
for_each_sg(sg, sg_tmp, host->sg_len, i) {
if (sg_tmp->offset & align)
@@ -232,7 +232,7 @@ static void renesas_sdhi_sys_dmac_start_dma_tx(struct tmio_mmc_host *host)
dma_cookie_t cookie;
int ret, i;
bool aligned = true, multiple = true;
- unsigned int align = (1 << host->pdata->alignment_shift) - 1;
+ unsigned int align = 1; /* 2-byte alignment */
for_each_sg(sg, sg_tmp, host->sg_len, i) {
if (sg_tmp->offset & align)
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index 27264fe4b3b9..e8bf90281ba0 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -102,7 +102,6 @@ struct tmio_mmc_data {
unsigned long capabilities2;
unsigned long flags;
u32 ocr_mask; /* available voltages */
- int alignment_shift;
dma_addr_t dma_rx_offset;
unsigned int max_blk_count;
unsigned short max_segs;