Re: [PATCH linux-next 1/1] phy: Sparx5 Eth SerDes: Use direct register operations
From: Andrew Lunn <andrew@lunn.ch>
Date: 2021-03-29 18:56:48
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On Mon, Mar 29, 2021 at 10:14:38AM +0200, Steen Hegelund wrote:
quoted hunk ↗ jump to hunk
Use direct register operations instead of a table of register information to lower the stack usage. Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com> Reported-by: kernel test robot <redacted> --- drivers/phy/microchip/sparx5_serdes.c | 1869 +++++++++++++------------ 1 file changed, 951 insertions(+), 918 deletions(-)diff --git a/drivers/phy/microchip/sparx5_serdes.c b/drivers/phy/microchip/sparx5_serdes.c index 06bcf0c166cf..43de68a62c2f 100644 --- a/drivers/phy/microchip/sparx5_serdes.c +++ b/drivers/phy/microchip/sparx5_serdes.c@@ -343,12 +343,6 @@ struct sparx5_sd10g28_params { u8 fx_100; }; -struct sparx5_serdes_regval { - u32 value; - u32 mask; - void __iomem *addr; -}; - static struct sparx5_sd25g28_media_preset media_presets_25g[] = { { /* ETH_MEDIA_DEFAULT */ .cfg_en_adv = 0,@@ -945,431 +939,411 @@ static void sparx5_sd25g28_reset(void __iomem *regs[], } } -static int sparx5_sd25g28_apply_params(struct device *dev, - void __iomem *regs[], - struct sparx5_sd25g28_params *params, - u32 sd_index) +static int sparx5_sd25g28_apply_params(struct sparx5_serdes_macro *macro, + struct sparx5_sd25g28_params *params) { - struct sparx5_serdes_regval item[] = {
Could you just add const here, and then it is no longer on the stack? Andrew _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel