Messages in this thread Patch in this message | | | From | zengzhaoxiu@163 ... | Subject | [PATCH v2 19/30] scsi: use parity32 in isci's phy | Date | Wed, 6 Apr 2016 17:47:04 +0800 |
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From: Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com>
Signed-off-by: Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com> --- drivers/scsi/isci/phy.c | 15 +-------------- 1 file changed, 1 insertion(+), 14 deletions(-)
diff --git a/drivers/scsi/isci/phy.c b/drivers/scsi/isci/phy.c index cb87b2e..a06aff6 100644 --- a/drivers/scsi/isci/phy.c +++ b/drivers/scsi/isci/phy.c @@ -122,8 +122,6 @@ sci_phy_link_layer_initialization(struct isci_phy *iphy, int phy_idx = iphy->phy_index; struct sci_phy_cap phy_cap; u32 phy_configuration; - u32 parity_check = 0; - u32 parity_count = 0; u32 llctl, link_rate; u32 clksm_value = 0; u32 sp_timeouts = 0; @@ -225,18 +223,7 @@ sci_phy_link_layer_initialization(struct isci_phy *iphy, /* The SAS specification indicates that the phy_capabilities that * are transmitted shall have an even parity. Calculate the parity. */ - parity_check = phy_cap.all; - while (parity_check != 0) { - if (parity_check & 0x1) - parity_count++; - parity_check >>= 1; - } - - /* If parity indicates there are an odd number of bits set, then - * set the parity bit to 1 in the phy capabilities. - */ - if ((parity_count % 2) != 0) - phy_cap.parity = 1; + phy_cap.parity = parity32(phy_cap.all); writel(phy_cap.all, &llr->phy_capabilities); -- 2.5.0
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