[PATCH] soc: mediatek: use of_device_get_match_data()
From: Ryder Lee
Date: Sun Apr 15 2018 - 22:33:45 EST
The usage of of_device_get_match_data() reduce the code size a bit.
Also, the only way to call pwrap_probe() is to match an entry in
of_pwrap_match_tbl[], so of_id cannot be NULL.
Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
---
drivers/soc/mediatek/mtk-pmic-wrap.c | 13 +++----------
drivers/soc/mediatek/mtk-scpsys.c | 4 +---
2 files changed, 4 insertions(+), 13 deletions(-)
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index e9e054a..2afae64 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -1458,19 +1458,12 @@ static int pwrap_probe(struct platform_device *pdev)
int ret, irq;
struct pmic_wrapper *wrp;
struct device_node *np = pdev->dev.of_node;
- const struct of_device_id *of_id =
- of_match_device(of_pwrap_match_tbl, &pdev->dev);
const struct of_device_id *of_slave_id = NULL;
struct resource *res;
- if (!of_id) {
- dev_err(&pdev->dev, "Error: No device match found\n");
- return -ENODEV;
- }
+ if (np->child)
+ of_slave_id = of_match_node(of_slave_match_tbl, np->child);
- if (pdev->dev.of_node->child)
- of_slave_id = of_match_node(of_slave_match_tbl,
- pdev->dev.of_node->child);
if (!of_slave_id) {
dev_dbg(&pdev->dev, "slave pmic should be defined in dts\n");
return -EINVAL;
@@ -1482,7 +1475,7 @@ static int pwrap_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, wrp);
- wrp->master = of_id->data;
+ wrp->master = of_device_get_match_data(&pdev->dev);
wrp->slave = of_slave_id->data;
wrp->dev = &pdev->dev;
diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
index 435ce5e..a02a18e 100644
--- a/drivers/soc/mediatek/mtk-scpsys.c
+++ b/drivers/soc/mediatek/mtk-scpsys.c
@@ -973,15 +973,13 @@ static void mtk_register_power_domains(struct platform_device *pdev,
static int scpsys_probe(struct platform_device *pdev)
{
- const struct of_device_id *match;
const struct scp_subdomain *sd;
const struct scp_soc_data *soc;
struct scp *scp;
struct genpd_onecell_data *pd_data;
int i, ret;
- match = of_match_device(of_scpsys_match_tbl, &pdev->dev);
- soc = (const struct scp_soc_data *)match->data;
+ soc = of_device_get_match_data(&pdev->dev);
scp = init_scp(pdev, soc->domains, soc->num_domains, &soc->regs,
soc->bus_prot_reg_update);
--
1.9.1