On 09/24/2018 12:04 PM, Corentin Labbe wrote:
> This patch convert meson stmmac glue driver to use all xxxsetbits32 functions.
>
> Signed-off-by: Corentin Labbe <clabbe@xxxxxxxxxxxx>
> ---
> .../net/ethernet/stmicro/stmmac/dwmac-meson8b.c | 56 +++++++++-------------
> 1 file changed, 22 insertions(+), 34 deletions(-)
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
> index c5979569fd60..abcf65588576 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
> @@ -23,6 +23,7 @@
> #include <linux/mfd/syscon.h>
> #include <linux/platform_device.h>
> #include <linux/stmmac.h>
> +#include <linux/setbits.h>
>
> #include "stmmac_platform.h"
>
> @@ -75,18 +76,6 @@ struct meson8b_dwmac_clk_configs {
> struct clk_gate rgmii_tx_en;
> };
>
> -static void meson8b_dwmac_mask_bits(struct meson8b_dwmac *dwmac, u32 reg,
> - u32 mask, u32 value)
> -{
> - u32 data;
> -
> - data = readl(dwmac->regs + reg);
> - data &= ~mask;
> - data |= (value & mask);
> -
> - writel(data, dwmac->regs + reg);
> -}
Why not make mseon8b_dwmac_mask_bits() a wrapper around
clrsetbits_le32() whose purpose is only to dereference dwmac->regs and
pass it to clrsetbits_le32()? That would be far less changes to review
and audit for correctness, same goes with every other patch in this
series touching the meson drivers.
--
Florian
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