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authorJun Nie <jun.nie@linaro.org>2017-01-11 15:35:35 +0900
committerUlf Hansson <ulf.hansson@linaro.org>2017-02-13 13:20:02 +0100
commita0361c1a4d265ea36796149a29b48e41a5ba28d9 (patch)
treeee14b7c6a2add1875984fd44ea10816efd2f9d37 /drivers/mmc/host/dw_mmc.h
parent4a80f77618f72f40b970d96f4e8492ea2dd6f2d9 (diff)
mmc: dw_mmc: Add fifo address property
The FIFO address may break default address assumption of 0x100 (version < 0x240A) and 0x200(version >= 0x240A) in current driver. The new property is introduced to override fifo address via DT node information. Signed-off-by: Jun Nie <jun.nie@linaro.org> Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/dw_mmc.h')
-rw-r--r--drivers/mmc/host/dw_mmc.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h
index 231a46f142d2..e08e3272a5ad 100644
--- a/drivers/mmc/host/dw_mmc.h
+++ b/drivers/mmc/host/dw_mmc.h
@@ -114,6 +114,7 @@ struct dw_mci_dma_slave {
* @ciu_clk: Pointer to card interface unit clock instance.
* @slot: Slots sharing this MMC controller.
* @fifo_depth: depth of FIFO.
+ * @data_addr_override: override fifo reg offset with this value.
* @data_shift: log2 of FIFO item size.
* @part_buf_start: Start index in part_buf.
* @part_buf_count: Bytes of partial data in part_buf.
@@ -161,6 +162,7 @@ struct dw_mci {
spinlock_t irq_lock;
void __iomem *regs;
void __iomem *fifo_reg;
+ u32 data_addr_override;
struct scatterlist *sg;
struct sg_mapping_iter sg_miter;