The at9331 is only able to read or write a single register at once.  The
driver has a custom regmap bus and chooses to tell the regmap core about
this by reporting the maximum transfer sizes rather than the explicit
flags that exist at the regmap level.  Since there are a number of
problems with the raw transfer limits and the regmap level flags are
better integrated anyway convert the driver to use the flags.

No functional change.

Signed-off-by: Mark Brown <broonie@kernel.org>
---
 drivers/net/dsa/qca/ar9331.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/dsa/qca/ar9331.c b/drivers/net/dsa/qca/ar9331.c
index b2bf78ac485e..3b0937031499 100644
--- a/drivers/net/dsa/qca/ar9331.c
+++ b/drivers/net/dsa/qca/ar9331.c
@@ -1002,6 +1002,8 @@ static const struct regmap_config ar9331_mdio_regmap_config = {
 	.val_bits = 32,
 	.reg_stride = 4,
 	.max_register = AR9331_SW_REG_PAGE,
+	.use_single_read = true,
+	.use_single_write = true,
 
 	.ranges = ar9331_regmap_range,
 	.num_ranges = ARRAY_SIZE(ar9331_regmap_range),
@@ -1018,8 +1020,6 @@ static struct regmap_bus ar9331_sw_bus = {
 	.val_format_endian_default = REGMAP_ENDIAN_NATIVE,
 	.read = ar9331_mdio_read,
 	.write = ar9331_sw_bus_write,
-	.max_raw_read = 4,
-	.max_raw_write = 4,
 };
 
 static int ar9331_sw_probe(struct mdio_device *mdiodev)

---
base-commit: 06c2afb862f9da8dc5efa4b6076a0e48c3fbaaa5
change-id: 20230708-net-at9331-regmap-02ecf2c1aa59

Best regards,
-- 
Mark Brown <broonie@kernel.org>

On Wed, Jul 12, 2023 at 12:16:16PM +0100, Mark Brown wrote:
> The at9331 is only able to read or write a single register at once.  The
> driver has a custom regmap bus and chooses to tell the regmap core about
> this by reporting the maximum transfer sizes rather than the explicit
> flags that exist at the regmap level.  Since there are a number of
> problems with the raw transfer limits and the regmap level flags are
> better integrated anyway convert the driver to use the flags.
> 
> No functional change.
> 
> Signed-off-by: Mark Brown <broonie@kernel.org>

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

nit: there is a typo in the subject
     explict -> explicit

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@davemloft.net>:

On Wed, 12 Jul 2023 12:16:16 +0100 you wrote:
> The at9331 is only able to read or write a single register at once.  The
> driver has a custom regmap bus and chooses to tell the regmap core about
> this by reporting the maximum transfer sizes rather than the explicit
> flags that exist at the regmap level.  Since there are a number of
> problems with the raw transfer limits and the regmap level flags are
> better integrated anyway convert the driver to use the flags.
> 
> [...]

Here is the summary with links:
  - net: dsa: ar9331: Use explict flags for regmap single read/write
    https://git.kernel.org/netdev/net/c/9845217d60d0

You are awesome, thank you!
-- 
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