[PATCH] drivers: net: xgene: Remove acpi_has_method() calls

From: Kelsey Skunberg
Date: Sun Jul 21 2019 - 23:05:41 EST


acpi_evaluate_object will already return an error if the needed method
does not exist. Remove unnecessary acpi_has_method() calls and check the
returned acpi_status for failure instead.

Signed-off-by: Kelsey Skunberg <skunberg.kelsey@xxxxxxxxx>
---
drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 7 +++----
drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c | 10 +++++-----
drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c | 9 ++++-----
3 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
index 61a465097cb8..ef75a09069a8 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -694,6 +694,7 @@ bool xgene_ring_mgr_init(struct xgene_enet_pdata *p)
static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
{
struct device *dev = &pdata->pdev->dev;
+ acpi_status status;

if (!xgene_ring_mgr_init(pdata))
return -ENODEV;
@@ -712,11 +713,9 @@ static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
udelay(5);
} else {
#ifdef CONFIG_ACPI
- if (acpi_has_method(ACPI_HANDLE(&pdata->pdev->dev), "_RST")) {
- acpi_evaluate_object(ACPI_HANDLE(&pdata->pdev->dev),
+ status = acpi_evaluate_object(ACPI_HANDLE(&pdata->pdev->dev),
"_RST", NULL, NULL);
- } else if (acpi_has_method(ACPI_HANDLE(&pdata->pdev->dev),
- "_INI")) {
+ if (ACPI_FAILURE(status)) {
acpi_evaluate_object(ACPI_HANDLE(&pdata->pdev->dev),
"_INI", NULL, NULL);
}
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
index 6453fc2ebb1f..6237a2cfd703 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
@@ -437,6 +437,7 @@ static void xgene_sgmac_tx_disable(struct xgene_enet_pdata *p)
static int xgene_enet_reset(struct xgene_enet_pdata *p)
{
struct device *dev = &p->pdev->dev;
+ acpi_status status;

if (!xgene_ring_mgr_init(p))
return -ENODEV;
@@ -460,14 +461,13 @@ static int xgene_enet_reset(struct xgene_enet_pdata *p)
}
} else {
#ifdef CONFIG_ACPI
- if (acpi_has_method(ACPI_HANDLE(&p->pdev->dev), "_RST"))
- acpi_evaluate_object(ACPI_HANDLE(&p->pdev->dev),
- "_RST", NULL, NULL);
- else if (acpi_has_method(ACPI_HANDLE(&p->pdev->dev), "_INI"))
+ status = acpi_evaluate_object(ACPI_HANDLE(&p->pdev->dev),
+ "_RST", NULL, NULL);
+ if (ACPI_FAILURE(status)) {
acpi_evaluate_object(ACPI_HANDLE(&p->pdev->dev),
"_INI", NULL, NULL);
+ }
#endif
- }

if (!p->port_id) {
xgene_enet_ecc_init(p);
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
index 133eb91c542e..fede3bfe4d68 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
@@ -380,6 +380,7 @@ static void xgene_xgmac_tx_disable(struct xgene_enet_pdata *pdata)
static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
{
struct device *dev = &pdata->pdev->dev;
+ acpi_status status;

if (!xgene_ring_mgr_init(pdata))
return -ENODEV;
@@ -393,11 +394,9 @@ static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
udelay(5);
} else {
#ifdef CONFIG_ACPI
- if (acpi_has_method(ACPI_HANDLE(&pdata->pdev->dev), "_RST")) {
- acpi_evaluate_object(ACPI_HANDLE(&pdata->pdev->dev),
- "_RST", NULL, NULL);
- } else if (acpi_has_method(ACPI_HANDLE(&pdata->pdev->dev),
- "_INI")) {
+ status = acpi_evaluate_object(ACPI_HANDLE(&pdata->pdev->dev),
+ "_RST", NULL, NULL);
+ if (ACPI_FAILURE(status)) {
acpi_evaluate_object(ACPI_HANDLE(&pdata->pdev->dev),
"_INI", NULL, NULL);
}
--
2.20.1