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Merge "soc: swr-mstr: Check for fifo avail before bulk write"

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qctecmdr 2020-10-25 07:34:21 -07:00 • committed by Gerrit - the friendly Code Review server
commit 883a10354b
1 changed files with 4 additions and 0 deletions
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4
soc/swr-mstr-ctrl.c
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@ -129,6 +129,7 @@ static void swrm_unlock_sleep(struct swr_mstr_ctrl *swrm);
static u32 swr_master_read(struct swr_mstr_ctrl *swrm, unsigned int reg_addr);
static void swr_master_write(struct swr_mstr_ctrl *swrm, u16 reg_addr, u32 val);
static int swrm_runtime_resume(struct device *dev);
static void swrm_wait_for_fifo_avail(struct swr_mstr_ctrl *swrm, int swrm_rd_wr);
static u64 swrm_phy_dev[] = {
0,
@ -678,6 +679,9 @@ static int swr_master_bulk_write(struct swr_mstr_ctrl *swrm, u32 *reg_addr,
* This still meets the hardware spec
*/
usleep_range(50, 55);
if (reg_addr[i] == SWRM_CMD_FIFO_WR_CMD)
swrm_wait_for_fifo_avail(swrm,
SWRM_WR_CHECK_AVAIL);
swr_master_write(swrm, reg_addr[i], val[i]);
}
usleep_range(100, 110);