4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Pawel Dembicki <paweldembicki@xxxxxxxxx>
[ Upstream commit 8e69c96df771ab469cec278edb47009351de4da6 ]
CAPT block (CPU Capture Buffer) have 7 sublocks: 0-3, 4, 6, 7.
Function 'vsc73xx_is_addr_valid' allows to use only block 0 at this
moment.
This patch fix it.
Fixes: 05bd97fc559d ("net: dsa: Add Vitesse VSC73xx DSA router driver")
Signed-off-by: Pawel Dembicki <paweldembicki@xxxxxxxxx>
Reviewed-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
Link: https://patch.msgid.link/20240903203340.1518789-1-paweldembicki@xxxxxxxxx
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/dsa/vitesse-vsc73xx.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/net/dsa/vitesse-vsc73xx.c b/drivers/net/dsa/vitesse-vsc73xx.c
index eaafb1c30c91..c91f989165ad 100644
--- a/drivers/net/dsa/vitesse-vsc73xx.c
+++ b/drivers/net/dsa/vitesse-vsc73xx.c
@@ -38,7 +38,7 @@
#define VSC73XX_BLOCK_ANALYZER 0x2 /* Only subblock 0 */
#define VSC73XX_BLOCK_MII 0x3 /* Subblocks 0 and 1 */
#define VSC73XX_BLOCK_MEMINIT 0x3 /* Only subblock 2 */
-#define VSC73XX_BLOCK_CAPTURE 0x4 /* Only subblock 2 */
+#define VSC73XX_BLOCK_CAPTURE 0x4 /* Subblocks 0-4, 6, 7 */
#define VSC73XX_BLOCK_ARBITER 0x5 /* Only subblock 0 */
#define VSC73XX_BLOCK_SYSTEM 0x7 /* Only subblock 0 */
@@ -385,13 +385,19 @@ static int vsc73xx_is_addr_valid(u8 block, u8 subblock)
break;
case VSC73XX_BLOCK_MII:
- case VSC73XX_BLOCK_CAPTURE:
case VSC73XX_BLOCK_ARBITER:
switch (subblock) {
case 0 ... 1:
return 1;
}
break;
+ case VSC73XX_BLOCK_CAPTURE:
+ switch (subblock) {
+ case 0 ... 4:
+ case 6 ... 7:
+ return 1;
+ }
+ break;
}
return 0;
--
2.43.0
