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authorHeiner Kallweit2015-12-30 14:43:59 -0200
committerMauro Carvalho Chehab2016-01-25 15:45:40 -0200
commitccca00d6d7c2d6cec282ac3e3942032268d50fe4 (patch)
tree8ebfcfad2f411a1b3e759e69b0c894d4461fa738
parent0890655c29a88765924c46460f38f33f7e34b5fc (diff)
[media] nuvoton-cir: improve logical device handling
Only enable the logical devices after the registers have been initialized. The call to nvt_enable_logical_dev in nvt_resume is not needed as this is done implicitely by nvt_cir_regs_init now. [mchehab@osg.samsung.com: fixed multiline comment to kernel CodingStyle] Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
-rw-r--r--drivers/media/rc/nuvoton-cir.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index f6248519b31e..5593a2f5b6c4 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -329,9 +329,8 @@ static void nvt_cir_ldev_init(struct nvt_dev *nvt)
val |= psval;
nvt_cr_write(nvt, val, psreg);
- /* Select CIR logical device and enable */
+ /* Select CIR logical device */
nvt_select_logical_dev(nvt, LOGICAL_DEV_CIR);
- nvt_cr_write(nvt, LOGICAL_DEV_ENABLE, CR_LOGICAL_DEV_EN);
nvt_cr_write(nvt, nvt->cir_addr >> 8, CR_CIR_BASE_ADDR_HI);
nvt_cr_write(nvt, nvt->cir_addr & 0xff, CR_CIR_BASE_ADDR_LO);
@@ -344,7 +343,7 @@ static void nvt_cir_ldev_init(struct nvt_dev *nvt)
static void nvt_cir_wake_ldev_init(struct nvt_dev *nvt)
{
- /* Select ACPI logical device, enable it and CIR Wake */
+ /* Select ACPI logical device and anable it */
nvt_select_logical_dev(nvt, LOGICAL_DEV_ACPI);
nvt_cr_write(nvt, LOGICAL_DEV_ENABLE, CR_LOGICAL_DEV_EN);
@@ -354,9 +353,8 @@ static void nvt_cir_wake_ldev_init(struct nvt_dev *nvt)
/* enable pme interrupt of cir wakeup event */
nvt_set_reg_bit(nvt, PME_INTR_CIR_PASS_BIT, CR_ACPI_IRQ_EVENTS2);
- /* Select CIR Wake logical device and enable */
+ /* Select CIR Wake logical device */
nvt_select_logical_dev(nvt, LOGICAL_DEV_CIR_WAKE);
- nvt_cr_write(nvt, LOGICAL_DEV_ENABLE, CR_LOGICAL_DEV_EN);
nvt_cr_write(nvt, nvt->cir_wake_addr >> 8, CR_CIR_BASE_ADDR_HI);
nvt_cr_write(nvt, nvt->cir_wake_addr & 0xff, CR_CIR_BASE_ADDR_LO);
@@ -440,6 +438,9 @@ static void nvt_cir_regs_init(struct nvt_dev *nvt)
/* and finally, enable interrupts */
nvt_set_cir_iren(nvt);
+
+ /* enable the CIR logical device */
+ nvt_enable_logical_dev(nvt, LOGICAL_DEV_CIR);
}
static void nvt_cir_wake_regs_init(struct nvt_dev *nvt)
@@ -474,6 +475,9 @@ static void nvt_cir_wake_regs_init(struct nvt_dev *nvt)
/* clear any and all stray interrupts */
nvt_cir_wake_reg_write(nvt, 0xff, CIR_WAKE_IRSTS);
+
+ /* enable the CIR WAKE logical device */
+ nvt_enable_logical_dev(nvt, LOGICAL_DEV_CIR_WAKE);
}
static void nvt_enable_wake(struct nvt_dev *nvt)
@@ -1051,7 +1055,10 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
nvt_cir_wake_ldev_init(nvt);
nvt_efm_disable(nvt);
- /* Initialize CIR & CIR Wake Config Registers */
+ /*
+ * Initialize CIR & CIR Wake Config Registers
+ * and enable logical devices
+ */
nvt_cir_regs_init(nvt);
nvt_cir_wake_regs_init(nvt);
@@ -1179,9 +1186,6 @@ static int nvt_resume(struct pnp_dev *pdev)
/* open interrupt */
nvt_set_cir_iren(nvt);
- /* Enable CIR logical device */
- nvt_enable_logical_dev(nvt, LOGICAL_DEV_CIR);
-
nvt_cir_regs_init(nvt);
nvt_cir_wake_regs_init(nvt);