[PATCH V5 2/3] pinctrl: qcom: Use qcom_scm_io_update_field()

From: Kathiravan T
Date: Thu Jul 20 2023 - 03:04:49 EST


From: Mukesh Ojha <quic_mojha@xxxxxxxxxxx>

Use qcom_scm_io_update_field() function introduced in the commit
1f899e6997bb ("firmware: qcom_scm: provide a read-modify-write function").

Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Mukesh Ojha <quic_mojha@xxxxxxxxxxx>
Signed-off-by: Kathiravan T <quic_kathirav@xxxxxxxxxxx>
---
Changes in V5:
- Dropped the ununecessary paranthesis
- Updated the commit message to indicate the commit ID in which
qcom_scm_io_update_field is introduced instead of simply
mentioning the "last commit"

drivers/pinctrl/qcom/pinctrl-msm.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index 2585ef2b2793..5ecde5bea38b 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -1040,6 +1040,7 @@ static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int type)
const struct msm_pingroup *g;
unsigned long flags;
bool was_enabled;
+ u32 mask;
u32 val;

if (msm_gpio_needs_dual_edge_parent_workaround(d, type)) {
@@ -1074,23 +1075,20 @@ static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int type)
* With intr_target_use_scm interrupts are routed to
* application cpu using scm calls.
*/
+ mask = GENMASK(2, 0) << g->intr_target_bit;
if (pctrl->intr_target_use_scm) {
u32 addr = pctrl->phys_base[0] + g->intr_target_reg;
int ret;

- qcom_scm_io_readl(addr, &val);
-
- val &= ~(7 << g->intr_target_bit);
- val |= g->intr_target_kpss_val << g->intr_target_bit;
-
- ret = qcom_scm_io_writel(addr, val);
+ val = g->intr_target_kpss_val << g->intr_target_bit;
+ ret = qcom_scm_io_update_field(addr, mask, val);
if (ret)
dev_err(pctrl->dev,
"Failed routing %lu interrupt to Apps proc",
d->hwirq);
} else {
val = msm_readl_intr_target(pctrl, g);
- val &= ~(7 << g->intr_target_bit);
+ val &= ~mask;
val |= g->intr_target_kpss_val << g->intr_target_bit;
msm_writel_intr_target(val, pctrl, g);
}
--
2.34.1