diff options
| author |   Venkatraman S <svenkatr@ti.com> | 2012-07-10 19:39:23 +0530 |
|---|---|---|
| committer |   James Bottomley <JBottomley@Parallels.com> | 2012-07-20 08:59:01 +0100 |
| commit | 73ec513a3b1fa89d3cbaf0bc7dcc3a2b67936f2a (patch) | |
| tree | 441c8b196c27034c10995ed96c093159309aa4be /drivers/scsi | |
| parent | [SCSI] ufs: use module_pci_driver (diff) | |
| download | linux-dev-73ec513a3b1fa89d3cbaf0bc7dcc3a2b67936f2a.tar.xz linux-dev-73ec513a3b1fa89d3cbaf0bc7dcc3a2b67936f2a.zip | |
[SCSI] ufs: reverse the ufshcd_is_device_present logic
Otherwise it counter intuitively returns 0 if device is present.
Signed-off-by: Venkatraman S <svenkatr@ti.com>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Acked-by: Santosh Y <santoshsy@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 40c43bfce681..48b01fe0b9ba 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -232,11 +232,11 @@ static inline u32 ufshcd_get_ufs_version(struct ufs_hba *hba) * the host controller * @reg_hcs - host controller status register value * - * Returns 0 if device present, non-zero if no device detected + * Returns 1 if device present, 0 if no device detected */ static inline int ufshcd_is_device_present(u32 reg_hcs) { - return (DEVICE_PRESENT & reg_hcs) ? 0 : -1; + return (DEVICE_PRESENT & reg_hcs) ? 1 : 0; } /** @@ -911,7 +911,7 @@ static int ufshcd_make_hba_operational(struct ufs_hba *hba) /* check if device present */ reg = readl((hba->mmio_base + REG_CONTROLLER_STATUS)); - if (ufshcd_is_device_present(reg)) { + if (!ufshcd_is_device_present(reg)) { dev_err(&hba->pdev->dev, "cc: Device not present\n"); err = -ENXIO; goto out; |