diff mbox series

[net-next,2/3] net: dsa: microchip: lan937x: clear the POR_READY_INT status bit

Message ID 20220902103210.10743-3-arun.ramadoss@microchip.com (mailing list archive)
State Accepted
Commit f313936261ac18a2527fc0752cf988950587d0ce
Delegated to: Netdev Maintainers
Headers show
Series net: dsa: microchip: lan937x: enable interrupt for internal phy link detection | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 11 of 11 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 10 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Arun Ramadoss Sept. 2, 2022, 10:32 a.m. UTC
In the lan937x_reset_switch(), it masks all the switch and port
registers. In the Global_Int_status register, POR ready bit is write 1
to clear bit and all other bits are read only. So, this patch clear the
por_ready_int status bit by writing 1.

Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
---
 drivers/net/dsa/microchip/lan937x_main.c | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Florian Fainelli Sept. 2, 2022, 4:01 p.m. UTC | #1
On 9/2/2022 3:32 AM, Arun Ramadoss wrote:
> In the lan937x_reset_switch(), it masks all the switch and port
> registers. In the Global_Int_status register, POR ready bit is write 1
> to clear bit and all other bits are read only. So, this patch clear the
> por_ready_int status bit by writing 1.
> 
> Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
diff mbox series

Patch

diff --git a/drivers/net/dsa/microchip/lan937x_main.c b/drivers/net/dsa/microchip/lan937x_main.c
index 7b464f1fb5d8..0466c4d0b10c 100644
--- a/drivers/net/dsa/microchip/lan937x_main.c
+++ b/drivers/net/dsa/microchip/lan937x_main.c
@@ -225,6 +225,10 @@  int lan937x_reset_switch(struct ksz_device *dev)
 	if (ret < 0)
 		return ret;
 
+	ret = ksz_write32(dev, REG_SW_INT_STATUS__4, POR_READY_INT);
+	if (ret < 0)
+		return ret;
+
 	ret = ksz_write32(dev, REG_SW_PORT_INT_MASK__4, 0xFF);
 	if (ret < 0)
 		return ret;