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Commit 08af7414 authored by Robert Hancock's avatar Robert Hancock Committed by Jeff Garzik
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sata_nv: Add CPB register info to error_handler output 



When error handling occurs with pending commands, output the contents
of the next CPB count and next CPB index registers as well as the others,
since these may be useful for debugging.

Signed-off-by: default avatarRobert Hancock <hancockr@shaw.ca>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 9dd6fa32

drivers/ata/sata_nv.c

+6 −2
Original line number Diff line number Diff line
@@ -1462,10 +1462,14 @@ static void nv_adma_error_handler(struct ata_port *ap) 
			u32 notifier_error = readl(mmio + NV_ADMA_NOTIFIER_ERROR);

			u32 gen_ctl = readl(pp->gen_block + NV_ADMA_GEN_CTL);

			u32 status = readw(mmio + NV_ADMA_STAT);

			u8 cpb_count = readb(mmio + NV_ADMA_CPB_COUNT);

			u8 next_cpb_idx = readb(mmio + NV_ADMA_NEXT_CPB_IDX);



			ata_port_printk(ap, KERN_ERR, "EH in ADMA mode, notifier 0x%X "

				"notifier_error 0x%X gen_ctl 0x%X status 0x%X\n",

				notifier, notifier_error, gen_ctl, status);

				"notifier_error 0x%X gen_ctl 0x%X status 0x%X "

				"next cpb count 0x%X next cpb idx 0x%x\n",

				notifier, notifier_error, gen_ctl, status,

				cpb_count, next_cpb_idx);



			for( i=0;i<NV_ADMA_MAX_CPBS;i++) {

				struct nv_adma_cpb *cpb = &pp->cpb[i];