diff options
| author | Anurag Kumar Vulisha <anurag.kumar.vulisha@xilinx.com> | 2017-08-21 13:17:20 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2017-10-23 07:09:26 -0700 |
| commit | 05e890d8438651777cf05a19aa3c29519cd762ea (patch) | |
| tree | 9b135f7d6cf6c57bd54399f47207d527ada4bcee /drivers | |
| parent | ff0d63778ca0c2cec9ce33d69b69fe5f8567169b (diff) | |
ata: ceva: Make RxWaterMark value as module parameter
This patch updates the driver to make Rx Fifo water mark value
as a module parameter.
Signed-off-by: Anurag Kumar Vulisha <anuragku@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/ahci_ceva.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/ata/ahci_ceva.c b/drivers/ata/ahci_ceva.c index b63fab2507fa..eff40ec86065 100644 --- a/drivers/ata/ahci_ceva.c +++ b/drivers/ata/ahci_ceva.c @@ -71,6 +71,10 @@ #define DRV_NAME "ahci-ceva" #define CEVA_FLAG_BROKEN_GEN2 1 +static unsigned int rx_watermark = PTC_RX_WM_VAL; +module_param(rx_watermark, uint, 0644); +MODULE_PARM_DESC(rx_watermark, "RxWaterMark value (0 - 0x80)"); + struct ceva_ahci_priv { struct platform_device *ahci_pdev; /* Port Phy2Cfg Register */ @@ -152,7 +156,7 @@ static void ahci_ceva_setup(struct ahci_host_priv *hpriv) writel(cevapriv->pp5c[i], mmio + AHCI_VEND_PP5C); /* Rx Watermark setting */ - tmp = PTC_RX_WM_VAL | PTC_RSVD; + tmp = rx_watermark | PTC_RSVD; writel(tmp, mmio + AHCI_VEND_PTC); /* Default to Gen 3 Speed and Gen 1 if Gen2 is broken */ |