irqchip/renesas-intc-irqpin: Merge irlm_bit and needs_irlm

Commit Message

Geert Uytterhoeven Oct. 28, 2020, 3:39 p.m. UTC

Get rid of the separate flag to indicate if the IRLM bit is present in
the INTC/Interrupt Control Register 0, by considering -1 an invalid
irlm_bit value.

Signed-off-by: Geert Uytterhoeven <[e-mail]>
---
Tested on r8a7778/bock-w, r8a7779/marzen, r8a7740/armadillo. and
sh73a0/kzm9g.

 drivers/irqchip/irq-renesas-intc-irqpin.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

Comments

Marc Zyngier Nov. 1, 2020, 12:10 p.m. UTC | #1

On Wed, 28 Oct 2020 16:39:55 +0100, Geert Uytterhoeven wrote:
> Get rid of the separate flag to indicate if the IRLM bit is present in
> the INTC/Interrupt Control Register 0, by considering -1 an invalid
> irlm_bit value.

Applied to irq/irqchip-next, thanks!

[1/1] irqchip/renesas-intc-irqpin: Merge irlm_bit and needs_irlm
      commit: b388bdf2bac7aedac9bde5ab63eaf7646f29fc00

Cheers,

	M.

Patch

diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c
index 3819185bfd02c63f..cb7f60b3b4a920c2 100644
--- a/drivers/irqchip/irq-renesas-intc-irqpin.c
+++ b/drivers/irqchip/irq-renesas-intc-irqpin.c
@@ -71,8 +71,7 @@  struct intc_irqpin_priv {
 };
 
 struct intc_irqpin_config {
-	unsigned int irlm_bit;
-	unsigned needs_irlm:1;
+	int irlm_bit;		/* -1 if non-existent */
 };
 
 static unsigned long intc_irqpin_read32(void __iomem *iomem)
@@ -349,11 +348,10 @@  static const struct irq_domain_ops intc_irqpin_irq_domain_ops = {
 
 static const struct intc_irqpin_config intc_irqpin_irlm_r8a777x = {
 	.irlm_bit = 23, /* ICR0.IRLM0 */
-	.needs_irlm = 1,
 };
 
 static const struct intc_irqpin_config intc_irqpin_rmobile = {
-	.needs_irlm = 0,
+	.irlm_bit = -1,
 };
 
 static const struct of_device_id intc_irqpin_dt_ids[] = {
@@ -470,7 +468,7 @@  static int intc_irqpin_probe(struct platform_device *pdev)
 	}
 
 	/* configure "individual IRQ mode" where needed */
-	if (config && config->needs_irlm) {
+	if (config && config->irlm_bit >= 0) {
 		if (io[INTC_IRQPIN_REG_IRLM])
 			intc_irqpin_read_modify_write(p, INTC_IRQPIN_REG_IRLM,
 						      config->irlm_bit, 1, 1);