xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

libata: Add helper to determine when PHY events should be ignored

Browse Source 
This is a preparation commit that will allow to add other criteria
according to which PHY events should be dropped.

Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Gabriele Mazzotta
2015-04-25 19:52:36 +02:00
committed by Tejun Heo
parent e0e2674b92
commit 8393b811f3
3 changed files with 21 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/ata/libahci.c
View File

@@ -1707,8 +1707,7 @@ static void ahci_handle_port_interrupt(struct ata_port *ap,
if (unlikely(resetting))
status &= ~PORT_IRQ_BAD_PMP;
/* if LPM is enabled, PHYRDY doesn't mean anything */
if (ap->link.lpm_policy > ATA_LPM_MAX_POWER) {
if (sata_lpm_ignore_phy_events(&ap->link)) {
status &= ~PORT_IRQ_PHYRDY;
ahci_scr_write(&ap->link, SCR_ERROR, SERR_PHYRDY_CHG);
}