[PATCH] sil24: move error handling out of hot interrupt path
04_sil24_add-error_intr-function.patch Move error handling from sil24_host_intr into separate function - sil24_error_intr. Signed-off-by: Tejun Heo <htejun@gmail.com> sata_sil24.c | 55 +++++++++++++++++++++++++++++++------------------------ 1 files changed, 31 insertions(+), 24 deletions(-) Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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@ -480,18 +480,11 @@ static void sil24_eng_timeout(struct ata_port *ap)
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sil24_reset_controller(ap);
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}
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static inline void sil24_host_intr(struct ata_port *ap)
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static void sil24_error_intr(struct ata_port *ap, u32 slot_stat)
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{
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struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag);
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struct sil24_port_priv *pp = ap->private_data;
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void *port = pp->port;
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u32 slot_stat;
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slot_stat = readl(port + PORT_SLOT_STAT);
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if (!(slot_stat & HOST_SSTAT_ATTN)) {
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if (qc)
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ata_qc_complete(qc, 0);
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} else {
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u32 irq_stat, cmd_err, sstatus, serror;
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irq_stat = readl(port + PORT_IRQ_STAT);
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@ -514,7 +507,21 @@ static inline void sil24_host_intr(struct ata_port *ap)
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ata_qc_complete(qc, ATA_ERR);
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sil24_reset_controller(ap);
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}
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}
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static inline void sil24_host_intr(struct ata_port *ap)
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{
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struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag);
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struct sil24_port_priv *pp = ap->private_data;
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void *port = pp->port;
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u32 slot_stat;
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slot_stat = readl(port + PORT_SLOT_STAT);
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if (!(slot_stat & HOST_SSTAT_ATTN)) {
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if (qc)
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ata_qc_complete(qc, 0);
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} else
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sil24_error_intr(ap, slot_stat);
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}
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static irqreturn_t sil24_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
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