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authorLinus Torvalds <torvalds@linux-foundation.org>2020-06-19 13:09:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-19 13:09:40 -0700
commit592be758f196ed4610e326fc3f33dadd80aa7c6b (patch)
treefab4cd98fb1101c1f7b789308ae97abcb697e099
parent62c91ead977a5d5023be3d791cbff8535f7d5433 (diff)
parentb5292111de9bb70cba3489075970889765302136 (diff)
downloadlinux-stericsson-592be758f196ed4610e326fc3f33dadd80aa7c6b.tar.gz
Merge tag 'libata-5.8-2020-06-19' of git://git.kernel.dk/linux-block
Pull libata fixes from Jens Axboe: "A few minor changes that should go into this release" * tag 'libata-5.8-2020-06-19' of git://git.kernel.dk/linux-block: libata: Use per port sync for detach ata/libata: Fix usage of page address by page_address in ata_scsi_mode_select_xlat function sata_rcar: handle pm_runtime_get_sync failure cases
-rw-r--r--drivers/ata/libata-core.c11
-rw-r--r--drivers/ata/libata-scsi.c9
-rw-r--r--drivers/ata/sata_rcar.c11
-rw-r--r--include/linux/libata.h3
4 files changed, 21 insertions, 13 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 69361ec43db5..b1cd4d97bc2a 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -42,7 +42,6 @@
#include <linux/workqueue.h>
#include <linux/scatterlist.h>
#include <linux/io.h>
-#include <linux/async.h>
#include <linux/log2.h>
#include <linux/slab.h>
#include <linux/glob.h>
@@ -5778,7 +5777,7 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht)
/* perform each probe asynchronously */
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap = host->ports[i];
- async_schedule(async_port_probe, ap);
+ ap->cookie = async_schedule(async_port_probe, ap);
}
return 0;
@@ -5920,11 +5919,11 @@ void ata_host_detach(struct ata_host *host)
{
int i;
- /* Ensure ata_port probe has completed */
- async_synchronize_full();
-
- for (i = 0; i < host->n_ports; i++)
+ for (i = 0; i < host->n_ports; i++) {
+ /* Ensure ata_port probe has completed */
+ async_synchronize_cookie(host->ports[i]->cookie + 1);
ata_port_detach(host->ports[i]);
+ }
/* the host is dead now, dissociate ACPI */
ata_acpi_dissociate(host);
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 435781a16875..46336084b1a9 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3684,12 +3684,13 @@ static unsigned int ata_scsi_mode_select_xlat(struct ata_queued_cmd *qc)
{
struct scsi_cmnd *scmd = qc->scsicmd;
const u8 *cdb = scmd->cmnd;
- const u8 *p;
u8 pg, spg;
unsigned six_byte, pg_len, hdr_len, bd_len;
int len;
u16 fp = (u16)-1;
u8 bp = 0xff;
+ u8 buffer[64];
+ const u8 *p = buffer;
VPRINTK("ENTER\n");
@@ -3723,12 +3724,14 @@ static unsigned int ata_scsi_mode_select_xlat(struct ata_queued_cmd *qc)
if (!scsi_sg_count(scmd) || scsi_sglist(scmd)->length < len)
goto invalid_param_len;
- p = page_address(sg_page(scsi_sglist(scmd)));
-
/* Move past header and block descriptors. */
if (len < hdr_len)
goto invalid_param_len;
+ if (!sg_copy_to_buffer(scsi_sglist(scmd), scsi_sg_count(scmd),
+ buffer, sizeof(buffer)))
+ goto invalid_param_len;
+
if (six_byte)
bd_len = p[3];
else
diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
index 980aacdbcf3b..141ac600b64c 100644
--- a/drivers/ata/sata_rcar.c
+++ b/drivers/ata/sata_rcar.c
@@ -907,7 +907,7 @@ static int sata_rcar_probe(struct platform_device *pdev)
pm_runtime_enable(dev);
ret = pm_runtime_get_sync(dev);
if (ret < 0)
- goto err_pm_disable;
+ goto err_pm_put;
host = ata_host_alloc(dev, 1);
if (!host) {
@@ -937,7 +937,6 @@ static int sata_rcar_probe(struct platform_device *pdev)
err_pm_put:
pm_runtime_put(dev);
-err_pm_disable:
pm_runtime_disable(dev);
return ret;
}
@@ -991,8 +990,10 @@ static int sata_rcar_resume(struct device *dev)
int ret;
ret = pm_runtime_get_sync(dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put(dev);
return ret;
+ }
if (priv->type == RCAR_GEN3_SATA) {
sata_rcar_init_module(priv);
@@ -1017,8 +1018,10 @@ static int sata_rcar_restore(struct device *dev)
int ret;
ret = pm_runtime_get_sync(dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put(dev);
return ret;
+ }
sata_rcar_setup_port(host);
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 8bf5e59a7859..675895ffa2dd 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -22,6 +22,7 @@
#include <linux/acpi.h>
#include <linux/cdrom.h>
#include <linux/sched.h>
+#include <linux/async.h>
/*
* Define if arch has non-standard setup. This is a _PCI_ standard
@@ -872,6 +873,8 @@ struct ata_port {
struct timer_list fastdrain_timer;
unsigned long fastdrain_cnt;
+ async_cookie_t cookie;
+
int em_message_type;
void *private_data;