Hello.
On 08/23/2014 10:37 PM, Suman Tripathi wrote:
This patch implements the feature to skip the PHY and clock
initialization if it is already configured by the firmware.
Signed-off-by: Loc Ho <lho@xxxxxxx>
Signed-off-by: Suman Tripathi <stripathi@xxxxxxx>
---
drivers/ata/ahci_xgene.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index f416495..fd9c137 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -145,6 +145,15 @@ static unsigned int xgene_ahci_qc_issue(struct ata_queued_cmd *qc)
return rc;
}
+static bool xgene_ahci_is_memram_inited(struct xgene_ahci_context *ctx)
+{
+ void __iomem *diagcsr = ctx->csr_diag;
+
+ return (readl(diagcsr + CFG_MEM_RAM_SHUTDOWN) == 0 &&
+ readl(diagcsr + BLOCK_MEM_RDY) == 0xFFFFFFFF) ?
+ true : false;
Just return the result of &&, that should be enough.
WBR, Sergei
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