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* [PATCH][next] net: dsa: sja1105: make read-only const arrays static
@ 2023-09-19  9:36 Colin Ian King
  2023-09-20 11:07 ` Vladimir Oltean
  2023-09-21 14:20 ` patchwork-bot+netdevbpf
  0 siblings, 2 replies; 3+ messages in thread
From: Colin Ian King @ 2023-09-19  9:36 UTC (permalink / raw)
  To: Vladimir Oltean, Andrew Lunn, Florian Fainelli, David S . Miller,
	Eric Dumazet, Jakub Kicinski, Paolo Abeni, linux-kernel
  Cc: kernel-janitors, netdev

Don't populate read-only const arrays on the stack, instead make them
static.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
---
 drivers/net/dsa/sja1105/sja1105_clocking.c | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/drivers/net/dsa/sja1105/sja1105_clocking.c b/drivers/net/dsa/sja1105/sja1105_clocking.c
index e3699f76f6d7..08a3e7b96254 100644
--- a/drivers/net/dsa/sja1105/sja1105_clocking.c
+++ b/drivers/net/dsa/sja1105/sja1105_clocking.c
@@ -153,14 +153,14 @@ static int sja1105_cgu_mii_tx_clk_config(struct sja1105_private *priv,
 {
 	const struct sja1105_regs *regs = priv->info->regs;
 	struct sja1105_cgu_mii_ctrl mii_tx_clk;
-	const int mac_clk_sources[] = {
+	static const int mac_clk_sources[] = {
 		CLKSRC_MII0_TX_CLK,
 		CLKSRC_MII1_TX_CLK,
 		CLKSRC_MII2_TX_CLK,
 		CLKSRC_MII3_TX_CLK,
 		CLKSRC_MII4_TX_CLK,
 	};
-	const int phy_clk_sources[] = {
+	static const int phy_clk_sources[] = {
 		CLKSRC_IDIV0,
 		CLKSRC_IDIV1,
 		CLKSRC_IDIV2,
@@ -194,7 +194,7 @@ sja1105_cgu_mii_rx_clk_config(struct sja1105_private *priv, int port)
 	const struct sja1105_regs *regs = priv->info->regs;
 	struct sja1105_cgu_mii_ctrl mii_rx_clk;
 	u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
-	const int clk_sources[] = {
+	static const int clk_sources[] = {
 		CLKSRC_MII0_RX_CLK,
 		CLKSRC_MII1_RX_CLK,
 		CLKSRC_MII2_RX_CLK,
@@ -221,7 +221,7 @@ sja1105_cgu_mii_ext_tx_clk_config(struct sja1105_private *priv, int port)
 	const struct sja1105_regs *regs = priv->info->regs;
 	struct sja1105_cgu_mii_ctrl mii_ext_tx_clk;
 	u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
-	const int clk_sources[] = {
+	static const int clk_sources[] = {
 		CLKSRC_IDIV0,
 		CLKSRC_IDIV1,
 		CLKSRC_IDIV2,
@@ -248,7 +248,7 @@ sja1105_cgu_mii_ext_rx_clk_config(struct sja1105_private *priv, int port)
 	const struct sja1105_regs *regs = priv->info->regs;
 	struct sja1105_cgu_mii_ctrl mii_ext_rx_clk;
 	u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
-	const int clk_sources[] = {
+	static const int clk_sources[] = {
 		CLKSRC_IDIV0,
 		CLKSRC_IDIV1,
 		CLKSRC_IDIV2,
@@ -349,8 +349,13 @@ static int sja1105_cgu_rgmii_tx_clk_config(struct sja1105_private *priv,
 	if (speed == priv->info->port_speed[SJA1105_SPEED_1000MBPS]) {
 		clksrc = CLKSRC_PLL0;
 	} else {
-		int clk_sources[] = {CLKSRC_IDIV0, CLKSRC_IDIV1, CLKSRC_IDIV2,
-				     CLKSRC_IDIV3, CLKSRC_IDIV4};
+		static const int clk_sources[] = {
+			CLKSRC_IDIV0,
+			CLKSRC_IDIV1,
+			CLKSRC_IDIV2,
+			CLKSRC_IDIV3,
+			CLKSRC_IDIV4,
+		};
 		clksrc = clk_sources[port];
 	}
 
@@ -638,7 +643,7 @@ static int sja1105_cgu_rmii_ref_clk_config(struct sja1105_private *priv,
 	const struct sja1105_regs *regs = priv->info->regs;
 	struct sja1105_cgu_mii_ctrl ref_clk;
 	u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
-	const int clk_sources[] = {
+	static const int clk_sources[] = {
 		CLKSRC_MII0_TX_CLK,
 		CLKSRC_MII1_TX_CLK,
 		CLKSRC_MII2_TX_CLK,
-- 
2.39.2


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH][next] net: dsa: sja1105: make read-only const arrays static
  2023-09-19  9:36 [PATCH][next] net: dsa: sja1105: make read-only const arrays static Colin Ian King
@ 2023-09-20 11:07 ` Vladimir Oltean
  2023-09-21 14:20 ` patchwork-bot+netdevbpf
  1 sibling, 0 replies; 3+ messages in thread
From: Vladimir Oltean @ 2023-09-20 11:07 UTC (permalink / raw)
  To: Colin Ian King
  Cc: Andrew Lunn, Florian Fainelli, David S . Miller, Eric Dumazet,
	Jakub Kicinski, Paolo Abeni, linux-kernel, kernel-janitors,
	netdev

On Tue, Sep 19, 2023 at 10:36:06AM +0100, Colin Ian King wrote:
> Don't populate read-only const arrays on the stack, instead make them
> static.
> 
> Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
> ---

Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH][next] net: dsa: sja1105: make read-only const arrays static
  2023-09-19  9:36 [PATCH][next] net: dsa: sja1105: make read-only const arrays static Colin Ian King
  2023-09-20 11:07 ` Vladimir Oltean
@ 2023-09-21 14:20 ` patchwork-bot+netdevbpf
  1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+netdevbpf @ 2023-09-21 14:20 UTC (permalink / raw)
  To: Colin Ian King
  Cc: olteanv, andrew, f.fainelli, davem, edumazet, kuba, pabeni,
	linux-kernel, kernel-janitors, netdev

Hello:

This patch was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@redhat.com>:

On Tue, 19 Sep 2023 10:36:06 +0100 you wrote:
> Don't populate read-only const arrays on the stack, instead make them
> static.
> 
> Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
> ---
>  drivers/net/dsa/sja1105/sja1105_clocking.c | 21 +++++++++++++--------
>  1 file changed, 13 insertions(+), 8 deletions(-)

Here is the summary with links:
  - [next] net: dsa: sja1105: make read-only const arrays static
    https://git.kernel.org/netdev/net-next/c/f30e5323a188

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 3+ messages in thread

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2023-09-21 14:20 ` patchwork-bot+netdevbpf

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