From: Saeed Bishara Date: Sun, 6 Dec 2009 16:26:17 +0000 (+0200) Subject: sata_mv: increase PIO IORDY timeout X-Git-Tag: firefly_0821_release~9833^2~3570^2~10 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d7b0c143693bcbf391d2be235e150b97bfd8f9ba;p=firefly-linux-kernel-4.4.55.git sata_mv: increase PIO IORDY timeout The old value (0xbc) in cycles of the IORDY timeout is suitable for devices with core clock of 166 MHz, but some SoC controllers have faster core clocks. The new value will make the IORDY timeout large enough also for all SoC devices. Signed-off-by: Saeed Bishara Signed-off-by: Jeff Garzik --- diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index a8a7be0d06ff..bbeaf3a776c9 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -3393,7 +3393,7 @@ static void mv_soc_reset_hc_port(struct mv_host_priv *hpriv, ZERO(0x024); /* respq outp */ ZERO(0x020); /* respq inp */ ZERO(0x02c); /* test control */ - writel(0xbc, port_mmio + EDMA_IORDY_TMOUT); + writel(0x800, port_mmio + EDMA_IORDY_TMOUT); } #undef ZERO