ata: libata-eh: Rename no_dipm variable to be more clear

Rename the no_dipm variable to host_has_dipm, by inverting the
expression, and and also having a clearer name.

No functional change.

Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index dcb449e..0e36a78 100644 (file)
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -3432,7 +3432,7 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
        struct ata_eh_context *ehc = &link->eh_context;
        struct ata_device *dev, *link_dev = NULL, *lpm_dev = NULL;
        enum ata_lpm_policy old_policy = link->lpm_policy;
-       bool no_dipm = link->ap->flags & ATA_FLAG_NO_DIPM;
+       bool host_has_dipm = !(link->ap->flags & ATA_FLAG_NO_DIPM);
        unsigned int hints = ATA_LPM_EMPTY | ATA_LPM_HIPM;
        unsigned int err_mask;
        int rc;
@@ -3462,7 +3462,8 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
                if (!link_dev)
                        link_dev = dev;
 
-               if (!lpm_dev && (dev_has_hipm || (dev_has_dipm && !no_dipm)))
+               if (!lpm_dev &&
+                   (dev_has_hipm || (dev_has_dipm && host_has_dipm)))
                        lpm_dev = dev;
 
                hints &= ~ATA_LPM_EMPTY;
@@ -3471,7 +3472,7 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
 
                /* disable DIPM before changing link config */
                if (policy < ATA_LPM_MED_POWER_WITH_DIPM &&
-                   (dev_has_dipm && !no_dipm)) {
+                   (dev_has_dipm && host_has_dipm)) {
                        err_mask = ata_dev_set_feature(dev,
                                        SETFEATURES_SATA_DISABLE, SATA_DIPM);
                        if (err_mask && err_mask != AC_ERR_DEV) {
@@ -3520,7 +3521,7 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
        ata_for_each_dev(dev, link, ENABLED) {
                bool dev_has_dipm = ata_id_has_dipm(dev->id);
 
-               if (policy >= ATA_LPM_MED_POWER_WITH_DIPM && !no_dipm &&
+               if (policy >= ATA_LPM_MED_POWER_WITH_DIPM && host_has_dipm &&
                    dev_has_dipm) {
                        err_mask = ata_dev_set_feature(dev,
                                        SETFEATURES_SATA_ENABLE, SATA_DIPM);