forked from Minki/linux
[PATCH] libata: kill SError clearing in sata_std_hardreset().
Don't clear SError in sata_std_hardreset(). This makes hardreset act identically to ->phy_reset register-wise. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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@ -2018,8 +2018,6 @@ int ata_std_softreset(struct ata_port *ap, int verbose, unsigned int *classes)
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*/
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int sata_std_hardreset(struct ata_port *ap, int verbose, unsigned int *class)
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{
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u32 serror;
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DPRINTK("ENTER\n");
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/* Issue phy wake/reset */
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@ -2034,10 +2032,6 @@ int sata_std_hardreset(struct ata_port *ap, int verbose, unsigned int *class)
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/* Bring phy back */
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sata_phy_resume(ap);
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/* Clear SError */
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serror = scr_read(ap, SCR_ERROR);
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scr_write(ap, SCR_ERROR, serror);
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/* TODO: phy layer with polling, timeouts, etc. */
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if (!sata_dev_present(ap)) {
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*class = ATA_DEV_NONE;
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