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path: root/drivers/ata/libata-eh.c
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Diffstat (limited to 'drivers/ata/libata-eh.c')
-rw-r--r--drivers/ata/libata-eh.c30
1 files changed, 13 insertions, 17 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 58bdc538d229..c1db2f234d2e 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2040,7 +2040,7 @@ static void ata_eh_link_report(struct ata_link *link)
2040 } 2040 }
2041 2041
2042 if (ehc->i.serror) 2042 if (ehc->i.serror)
2043 ata_port_printk(ap, KERN_ERR, 2043 ata_link_printk(link, KERN_ERR,
2044 "SError: { %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s}\n", 2044 "SError: { %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s}\n",
2045 ehc->i.serror & SERR_DATA_RECOVERED ? "RecovData " : "", 2045 ehc->i.serror & SERR_DATA_RECOVERED ? "RecovData " : "",
2046 ehc->i.serror & SERR_COMM_RECOVERED ? "RecovComm " : "", 2046 ehc->i.serror & SERR_COMM_RECOVERED ? "RecovComm " : "",
@@ -2171,18 +2171,12 @@ static int ata_do_reset(struct ata_link *link, ata_reset_fn_t reset,
2171} 2171}
2172 2172
2173static int ata_eh_followup_srst_needed(struct ata_link *link, 2173static int ata_eh_followup_srst_needed(struct ata_link *link,
2174 int rc, int classify, 2174 int rc, const unsigned int *classes)
2175 const unsigned int *classes)
2176{ 2175{
2177 if ((link->flags & ATA_LFLAG_NO_SRST) || ata_link_offline(link)) 2176 if ((link->flags & ATA_LFLAG_NO_SRST) || ata_link_offline(link))
2178 return 0; 2177 return 0;
2179 if (rc == -EAGAIN) { 2178 if (rc == -EAGAIN)
2180 if (classify) 2179 return 1;
2181 return 1;
2182 rc = 0;
2183 }
2184 if (rc != 0)
2185 return 0;
2186 if (sata_pmp_supported(link->ap) && ata_is_host_link(link)) 2180 if (sata_pmp_supported(link->ap) && ata_is_host_link(link))
2187 return 1; 2181 return 1;
2188 return 0; 2182 return 0;
@@ -2210,6 +2204,10 @@ int ata_eh_reset(struct ata_link *link, int classify,
2210 */ 2204 */
2211 while (ata_eh_reset_timeouts[max_tries] != ULONG_MAX) 2205 while (ata_eh_reset_timeouts[max_tries] != ULONG_MAX)
2212 max_tries++; 2206 max_tries++;
2207 if (link->flags & ATA_LFLAG_NO_HRST)
2208 hardreset = NULL;
2209 if (link->flags & ATA_LFLAG_NO_SRST)
2210 softreset = NULL;
2213 2211
2214 now = jiffies; 2212 now = jiffies;
2215 deadline = ata_deadline(ehc->last_reset, ATA_EH_RESET_COOL_DOWN); 2213 deadline = ata_deadline(ehc->last_reset, ATA_EH_RESET_COOL_DOWN);
@@ -2247,10 +2245,10 @@ int ata_eh_reset(struct ata_link *link, int classify,
2247 ehc->i.action &= ~ATA_EH_RESET; 2245 ehc->i.action &= ~ATA_EH_RESET;
2248 if (hardreset) { 2246 if (hardreset) {
2249 reset = hardreset; 2247 reset = hardreset;
2250 ehc->i.action = ATA_EH_HARDRESET; 2248 ehc->i.action |= ATA_EH_HARDRESET;
2251 } else if (softreset) { 2249 } else if (softreset) {
2252 reset = softreset; 2250 reset = softreset;
2253 ehc->i.action = ATA_EH_SOFTRESET; 2251 ehc->i.action |= ATA_EH_SOFTRESET;
2254 } 2252 }
2255 2253
2256 if (prereset) { 2254 if (prereset) {
@@ -2305,9 +2303,11 @@ int ata_eh_reset(struct ata_link *link, int classify,
2305 ehc->i.flags |= ATA_EHI_DID_SOFTRESET; 2303 ehc->i.flags |= ATA_EHI_DID_SOFTRESET;
2306 2304
2307 rc = ata_do_reset(link, reset, classes, deadline); 2305 rc = ata_do_reset(link, reset, classes, deadline);
2306 if (rc && rc != -EAGAIN)
2307 goto fail;
2308 2308
2309 if (reset == hardreset && 2309 if (reset == hardreset &&
2310 ata_eh_followup_srst_needed(link, rc, classify, classes)) { 2310 ata_eh_followup_srst_needed(link, rc, classes)) {
2311 /* okay, let's do follow-up softreset */ 2311 /* okay, let's do follow-up softreset */
2312 reset = softreset; 2312 reset = softreset;
2313 2313
@@ -2322,10 +2322,6 @@ int ata_eh_reset(struct ata_link *link, int classify,
2322 ata_eh_about_to_do(link, NULL, ATA_EH_RESET); 2322 ata_eh_about_to_do(link, NULL, ATA_EH_RESET);
2323 rc = ata_do_reset(link, reset, classes, deadline); 2323 rc = ata_do_reset(link, reset, classes, deadline);
2324 } 2324 }
2325
2326 /* -EAGAIN can happen if we skipped followup SRST */
2327 if (rc && rc != -EAGAIN)
2328 goto fail;
2329 } else { 2325 } else {
2330 if (verbose) 2326 if (verbose)
2331 ata_link_printk(link, KERN_INFO, "no reset method " 2327 ata_link_printk(link, KERN_INFO, "no reset method "