[PATCH v2 3/9] ata: ceva: Add gen 3 mode support in driver
From: Michal Simek <hidden>
Date: 2017-08-21 11:19:19
Also in:
lkml
Subsystem:
libata subsystem (serial and parallel ata drivers), the rest · Maintainers:
Damien Le Moal, Niklas Cassel, Linus Torvalds
From: Anurag Kumar Vulisha <redacted> This patch sets gen 3 mode as default mode in ahci_ceva driver. Signed-off-by: Anurag Kumar Vulisha <redacted> Signed-off-by: Michal Simek <redacted> --- Changes in v2: None drivers/ata/ahci_ceva.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/ata/ahci_ceva.c b/drivers/ata/ahci_ceva.c
index 59de2ca1885c..aa32c8a0f083 100644
--- a/drivers/ata/ahci_ceva.c
+++ b/drivers/ata/ahci_ceva.c@@ -60,6 +60,7 @@ #define PORT1_BASE 0x180 /* Port Control Register Bit Definitions */ +#define PORT_SCTL_SPD_GEN3 (0x3 << 4) #define PORT_SCTL_SPD_GEN2 (0x2 << 4) #define PORT_SCTL_SPD_GEN1 (0x1 << 4) #define PORT_SCTL_IPM (0x3 << 8)
@@ -136,8 +137,8 @@ static void ahci_ceva_setup(struct ahci_host_priv *hpriv) tmp = PTC_RX_WM_VAL | PTC_RSVD; writel(tmp, mmio + AHCI_VEND_PTC); - /* Default to Gen 2 Speed and Gen 1 if Gen2 is broken */ - tmp = PORT_SCTL_SPD_GEN2 | PORT_SCTL_IPM; + /* Default to Gen 3 Speed and Gen 1 if Gen2 is broken */ + tmp = PORT_SCTL_SPD_GEN3 | PORT_SCTL_IPM; if (cevapriv->flags & CEVA_FLAG_BROKEN_GEN2) tmp = PORT_SCTL_SPD_GEN1 | PORT_SCTL_IPM; writel(tmp, mmio + PORT_SCR_CTL + PORT_BASE + PORT_OFFSET * i);
--
1.9.1