[PATCH 00/11] tree-wide: remove support for Renesas R-Car H3 ES1

[PATCH 00/11] tree-wide: remove support for Renesas R-Car H3 ES1

[Wolfram Sang]

Because H3 ES1 becomes an increasing maintenance burden and was only available
to a development group, we decided to remove upstream support for it. Here are
the patches to remove driver changes. Review tags have been gathered before
during an internal discussion. Only change since the internal version is a
plain rebase to v6.3-rc1. A branch with all removals is here:

git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git renesas/h3es1-removal

Please apply individually per subsystem. There are no dependencies and the SoC
doesn't boot anymore since v6.3-rc1.

Thanks and happy hacking!


Wolfram Sang (11):
  iommu/ipmmu-vmsa: remove R-Car H3 ES1.* handling
  drm: rcar-du: remove R-Car H3 ES1.* workarounds
  media: rcar-vin: remove R-Car H3 ES1.* handling
  media: rcar-vin: csi2: remove R-Car H3 ES1.* handling
  media: renesas: fdp1: remove R-Car H3 ES1.* handling
  thermal/drivers/rcar_gen3_thermal: remove R-Car H3 ES1.* handling
  ravb: remove R-Car H3 ES1.* handling
  mmc: renesas_sdhi: remove R-Car H3 ES1.* handling
  usb: host: xhci-rcar: remove leftover quirk handling
  usb: host: xhci-rcar: remove R-Car H3 ES1.* handling
  usb: gadget: udc: renesas_usb3: remove R-Car H3 ES1.* handling

 drivers/gpu/drm/rcar-du/rcar_du_crtc.c        | 37 ++-----------
 drivers/gpu/drm/rcar-du/rcar_du_drv.c         | 48 -----------------
 drivers/gpu/drm/rcar-du/rcar_du_drv.h         |  2 -
 drivers/gpu/drm/rcar-du/rcar_du_regs.h        |  3 +-
 drivers/iommu/ipmmu-vmsa.c                    |  1 -
 .../platform/renesas/rcar-vin/rcar-core.c     | 36 -------------
 .../platform/renesas/rcar-vin/rcar-csi2.c     | 15 ++----
 drivers/media/platform/renesas/rcar_fdp1.c    |  4 --
 drivers/mmc/host/renesas_sdhi_internal_dmac.c | 10 ++--
 drivers/net/ethernet/renesas/ravb_main.c      | 15 ------
 drivers/thermal/rcar_gen3_thermal.c           | 52 +------------------
 drivers/usb/gadget/udc/renesas_usb3.c         | 23 +-------
 drivers/usb/host/xhci-rcar.c                  | 34 +-----------
 13 files changed, 16 insertions(+), 264 deletions(-)

-- 
2.35.1

[PATCH 07/11] ravb: remove R-Car H3 ES1.* handling

[Wolfram Sang]

R-Car H3 ES1.* was only available to an internal development group and
needed a lot of quirks and workarounds. These become a maintenance
burden now, so our development group decided to remove upstream support
and disable booting for this SoC. Public users only have ES2 onwards.

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
Please apply individually per subsystem. There are no dependencies and the SoC
doesn't boot anymore since v6.3-rc1.

 drivers/net/ethernet/renesas/ravb_main.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 0f54849a3823..b81f0d8dfda8 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -28,7 +28,6 @@
 #include <linux/pm_runtime.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
-#include <linux/sys_soc.h>
 #include <linux/reset.h>
 #include <linux/math64.h>
 
@@ -1390,11 +1389,6 @@ static void ravb_adjust_link(struct net_device *ndev)
 		phy_print_status(phydev);
 }
 
-static const struct soc_device_attribute r8a7795es10[] = {
-	{ .soc_id = "r8a7795", .revision = "ES1.0", },
-	{ /* sentinel */ }
-};
-
 /* PHY init function */
 static int ravb_phy_init(struct net_device *ndev)
 {
@@ -1434,15 +1428,6 @@ static int ravb_phy_init(struct net_device *ndev)
 		goto err_deregister_fixed_link;
 	}
 
-	/* This driver only support 10/100Mbit speeds on R-Car H3 ES1.0
-	 * at this time.
-	 */
-	if (soc_device_match(r8a7795es10)) {
-		phy_set_max_speed(phydev, SPEED_100);
-
-		netdev_info(ndev, "limited PHY to 100Mbit/s\n");
-	}
-
 	if (!info->half_duplex) {
 		/* 10BASE, Pause and Asym Pause is not supported */
 		phy_remove_link_mode(phydev, ETHTOOL_LINK_MODE_10baseT_Half_BIT);
-- 
2.35.1

Re: [PATCH 07/11] ravb: remove R-Car H3 ES1.* handling

[Simon Horman]

On Tue, Mar 07, 2023 at 05:30:35PM +0100, Wolfram Sang wrote:
> R-Car H3 ES1.* was only available to an internal development group and
> needed a lot of quirks and workarounds. These become a maintenance
> burden now, so our development group decided to remove upstream support
> and disable booting for this SoC. Public users only have ES2 onwards.
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

This brought back some memories.

Signed-off-by: Simon Horman <simon.horman@corigine.com>

Re: [PATCH 07/11] ravb: remove R-Car H3 ES1.* handling

[Sergei Shtylyov]

Hello!

  (Sending via Gmail account, as the OMP SMTP server rejects...) 

On 3/7/23 7:30 PM, Wolfram Sang wrote:

> R-Car H3 ES1.* was only available to an internal development group and
> needed a lot of quirks and workarounds. These become a maintenance
> burden now, so our development group decided to remove upstream support
> and disable booting for this SoC. Public users only have ES2 onwards.
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>

[...]

MBR, Sergey

Re: [PATCH 00/11] tree-wide: remove support for Renesas R-Car H3 ES1

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Tue,  7 Mar 2023 17:30:28 +0100 you wrote:
> Because H3 ES1 becomes an increasing maintenance burden and was only available
> to a development group, we decided to remove upstream support for it. Here are
> the patches to remove driver changes. Review tags have been gathered before
> during an internal discussion. Only change since the internal version is a
> plain rebase to v6.3-rc1. A branch with all removals is here:
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git renesas/h3es1-removal
> 
> [...]

Here is the summary with links:
  - [07/11] ravb: remove R-Car H3 ES1.* handling
    https://git.kernel.org/netdev/net-next/c/6bf0ad7f2917

You are awesome, thank you!
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