kernel: backport upstreamed DSA B53 MMAP patch
authorÁlvaro Fernández Rojas <noltari@gmail.com>
Sat, 1 Apr 2023 18:58:54 +0000 (20:58 +0200)
committerÁlvaro Fernández Rojas <noltari@gmail.com>
Sat, 1 Apr 2023 20:39:35 +0000 (22:39 +0200)
Move the patch from pending to backport, since it has been accepted upstream:
https://github.com/torvalds/linux/commit/45977e58ce65ed0459edc9a0466d9dfea09463f5

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
target/linux/generic/backport-5.15/743-v6.3-0005-net-dsa-b53-mmap-add-phy-ops.patch [new file with mode: 0644]
target/linux/generic/pending-5.15/773-net-dsa-b53-mmap-add-more-63xx-SoCs.patch
target/linux/generic/pending-5.15/774-net-dsa-b53-mmap-allow-passing-a-chip-ID.patch
target/linux/generic/pending-5.15/776-net-dsa-b53-mmap-add-phy-ops.patch [deleted file]

diff --git a/target/linux/generic/backport-5.15/743-v6.3-0005-net-dsa-b53-mmap-add-phy-ops.patch b/target/linux/generic/backport-5.15/743-v6.3-0005-net-dsa-b53-mmap-add-phy-ops.patch
new file mode 100644 (file)
index 0000000..f35ae25
--- /dev/null
@@ -0,0 +1,49 @@
+From 45977e58ce65ed0459edc9a0466d9dfea09463f5 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
+Date: Thu, 23 Mar 2023 20:48:41 +0100
+Subject: [PATCH] net: dsa: b53: mmap: add phy ops
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Implement phy_read16() and phy_write16() ops for B53 MMAP to avoid accessing
+B53_PORT_MII_PAGE registers which hangs the device.
+This access should be done through the MDIO Mux bus controller.
+
+Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
+Acked-by: Florian Fainelli <f.fainelli@gmail.com>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ drivers/net/dsa/b53/b53_mmap.c | 14 ++++++++++++++
+ 1 file changed, 14 insertions(+)
+
+--- a/drivers/net/dsa/b53/b53_mmap.c
++++ b/drivers/net/dsa/b53/b53_mmap.c
+@@ -216,6 +216,18 @@ static int b53_mmap_write64(struct b53_d
+       return 0;
+ }
++static int b53_mmap_phy_read16(struct b53_device *dev, int addr, int reg,
++                             u16 *value)
++{
++      return -EIO;
++}
++
++static int b53_mmap_phy_write16(struct b53_device *dev, int addr, int reg,
++                              u16 value)
++{
++      return -EIO;
++}
++
+ static const struct b53_io_ops b53_mmap_ops = {
+       .read8 = b53_mmap_read8,
+       .read16 = b53_mmap_read16,
+@@ -227,6 +239,8 @@ static const struct b53_io_ops b53_mmap_
+       .write32 = b53_mmap_write32,
+       .write48 = b53_mmap_write48,
+       .write64 = b53_mmap_write64,
++      .phy_read16 = b53_mmap_phy_read16,
++      .phy_write16 = b53_mmap_phy_write16,
+ };
+ static int b53_mmap_probe_of(struct platform_device *pdev,
index 1e95425952a15ae4a12c82a9b6f4c21e71ee9b1c..e2da4e7f0552a609a04d184ef60fab87653625b2 100644 (file)
@@ -94,7 +94,7 @@ Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
 
 --- a/drivers/net/dsa/b53/b53_mmap.c
 +++ b/drivers/net/dsa/b53/b53_mmap.c
-@@ -333,8 +333,11 @@ static void b53_mmap_shutdown(struct pla
+@@ -347,8 +347,11 @@ static void b53_mmap_shutdown(struct pla
  
  static const struct of_device_id b53_mmap_of_table[] = {
        { .compatible = "brcm,bcm3384-switch" },
index b84ad12d0126c5a81ebd56f0592042de2083bdbd..456643f05d6d31586cfc6f0d5df3d0edd0aad64d 100644 (file)
@@ -122,7 +122,7 @@ Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
                .vlans = 4096,
 --- a/drivers/net/dsa/b53/b53_mmap.c
 +++ b/drivers/net/dsa/b53/b53_mmap.c
-@@ -248,7 +248,7 @@ static int b53_mmap_probe_of(struct plat
+@@ -262,7 +262,7 @@ static int b53_mmap_probe_of(struct plat
                return -ENOMEM;
  
        pdata->regs = mem;
@@ -131,7 +131,7 @@ Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
        pdata->big_endian = of_property_read_bool(np, "big-endian");
  
        of_ports = of_get_child_by_name(np, "ports");
-@@ -332,14 +332,28 @@ static void b53_mmap_shutdown(struct pla
+@@ -346,14 +346,28 @@ static void b53_mmap_shutdown(struct pla
  }
  
  static const struct of_device_id b53_mmap_of_table[] = {
diff --git a/target/linux/generic/pending-5.15/776-net-dsa-b53-mmap-add-phy-ops.patch b/target/linux/generic/pending-5.15/776-net-dsa-b53-mmap-add-phy-ops.patch
deleted file mode 100644 (file)
index 786e07c..0000000
+++ /dev/null
@@ -1,118 +0,0 @@
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-Subject: [PATCH] net: dsa: b53: mmap: add phy ops
-Date: Thu, 23 Mar 2023 20:48:41 +0100
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-
-Implement phy_read16() and phy_write16() ops for B53 MMAP to avoid accessing
-B53_PORT_MII_PAGE registers which hangs the device.
-This access should be done through the MDIO Mux bus controller.
-
-Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
----
- drivers/net/dsa/b53/b53_mmap.c | 14 ++++++++++++++
- 1 file changed, 14 insertions(+)
-
---- a/drivers/net/dsa/b53/b53_mmap.c
-+++ b/drivers/net/dsa/b53/b53_mmap.c
-@@ -216,6 +216,18 @@ static int b53_mmap_write64(struct b53_d
-       return 0;
- }
-+static int b53_mmap_phy_read16(struct b53_device *dev, int addr, int reg,
-+                             u16 *value)
-+{
-+      return -EIO;
-+}
-+
-+static int b53_mmap_phy_write16(struct b53_device *dev, int addr, int reg,
-+                              u16 value)
-+{
-+      return -EIO;
-+}
-+
- static const struct b53_io_ops b53_mmap_ops = {
-       .read8 = b53_mmap_read8,
-       .read16 = b53_mmap_read16,
-@@ -227,6 +239,8 @@ static const struct b53_io_ops b53_mmap_
-       .write32 = b53_mmap_write32,
-       .write48 = b53_mmap_write48,
-       .write64 = b53_mmap_write64,
-+      .phy_read16 = b53_mmap_phy_read16,
-+      .phy_write16 = b53_mmap_phy_write16,
- };
- static int b53_mmap_probe_of(struct platform_device *pdev,