On 2/6/24 7:15 PM, Judith Mendez wrote:
For DDR52 timing, DLL is enabled but tuning is not carried
out, therefore the ITAPDLY value in PHY CTRL 4 register is
not correct. Fix this by writing ITAPDLY after enabling DLL.
Fixes: a161c45f2979 ("mmc: sdhci_am654: Enable DLL only for some speed modes")
Signed-off-by: Judith Mendez <jm@xxxxxx>
---
Changelog:
v1->v2:
- Call sdhci_am654_write_itapdly() in sdhci_am654_set_clock()
instead of sdhci_am654_setup_dll()
---
drivers/mmc/host/sdhci_am654.c | 1 +
1 file changed, 1 insertion(+)
See how much easier this patch is this way :)
Reviewed-by: Andrew Davis <afd@xxxxxx>
diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c
index 2c66a965c225..b50db5d4a452 100644
--- a/drivers/mmc/host/sdhci_am654.c
+++ b/drivers/mmc/host/sdhci_am654.c
@@ -299,6 +299,7 @@ static void sdhci_am654_set_clock(struct sdhci_host *host, unsigned int clock)
if (timing > MMC_TIMING_UHS_SDR25 && clock >= CLOCK_TOO_SLOW_HZ) {
sdhci_am654_setup_dll(host, clock);
+ sdhci_am654_write_itapdly(sdhci_am654, sdhci_am654->itap_del_sel[timing]);
sdhci_am654->dll_enable = true;
} else {
sdhci_am654_setup_delay_chain(sdhci_am654, timing);
