[PATCH v7 2/3] ahci_xgene: Skip the PHY and clock initialization if already configured by the firmware.
Tejun Heo
tj at kernel.org
Tue Aug 19 08:14:17 PDT 2014
On Tue, Aug 19, 2014 at 12:01:50PM +0530, 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 at apm.com>
> Signed-off-by: Suman Tripathi <stripathi at apm.com>
...
> +static int xgene_ahci_is_memram_inited(struct xgene_ahci_context *ctx)
> +{
> + void __iomem *diagcsr = ctx->csr_diag;
> +
> + if (readl(diagcsr + CFG_MEM_RAM_SHUTDOWN) == 0 &&
> + readl(diagcsr + BLOCK_MEM_RDY) == 0xFFFFFFFF)
> + return 1;
> + return 0;
> +}
Please make it return bool.
Thanks.
--
tejun
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