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Fri, 20 May 2022 08:38:35 -0700 (PDT) From: Mattijs Korpershoek To: AngeloGioacchino Del Regno , dmitry.torokhov@gmail.com Cc: matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 4/5] Input: mtk-pmic-keys - Move long press debounce mask to mtk_pmic_regs In-Reply-To: <20220520125132.229191-5-angelogioacchino.delregno@collabora.com> References: <20220520125132.229191-1-angelogioacchino.delregno@collabora.com> <20220520125132.229191-5-angelogioacchino.delregno@collabora.com> Date: Fri, 20 May 2022 17:38:34 +0200 Message-ID: <8735h4kydh.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220520_083839_505363_32E5A676 X-CRM114-Status: GOOD ( 28.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On ven., mai 20, 2022 at 14:51, AngeloGioacchino Del Regno wrote: > As the second and last step of preparation to add support for more > PMICs in this driver, move the long press debounce mask to struct > mtk_pmic_regs and use that in mtk_pmic_keys_lp_reset_setup() instead > of directly using the definition. > > While at it, remove the MTK_PMIC_RST_DU_{MASK,SHIFT} definitions, as > these can be expressed with the GENMASK macro and a new name was > chosen for that, as to uniform the definition names with the others > found in this driver. > > Lastly, it was necessary to change the function signature of > mtk_pmic_keys_lp_reset_setup() to now pass a pointer to the main > mtk_pmic_regs structure, since that's what contains the reset > debounce mask now and, for readability purposes, for this function, > all of the references to keys->regmap were changed to use a local > 'rmap' pointer, or the calls to regmap_{set,clear}_bits would be > ~94 columns long. > > This commit brings no functional changes. > > Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Mattijs Korpershoek > --- > drivers/input/keyboard/mtk-pmic-keys.c | 33 +++++++++++++++----------- > 1 file changed, 19 insertions(+), 14 deletions(-) > > diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c > index d8285612265f..acd5aefac5f9 100644 > --- a/drivers/input/keyboard/mtk-pmic-keys.c > +++ b/drivers/input/keyboard/mtk-pmic-keys.c > @@ -18,11 +18,9 @@ > #include > #include > > -#define MTK_PMIC_RST_DU_MASK 0x3 > -#define MTK_PMIC_RST_DU_SHIFT 8 > - > #define MTK_PMIC_MT6397_HOMEKEY_RST_EN BIT(5) > #define MTK_PMIC_MT6397_PWRKEY_RST_EN BIT(6) > +#define MTK_PMIC_MT6397_RST_DU_MASK GENMASK(9, 8) > > #define MTK_PMIC_PWRKEY_INDEX 0 > #define MTK_PMIC_HOMEKEY_INDEX 1 > @@ -58,10 +56,12 @@ struct mtk_pmic_keys_regs { > * struct mtk_pmic_regs - PMIC Keys registers > * @keys_regs: Specific key registers > * @pmic_rst_reg: PMIC Keys reset register > + * @rst_lprst_mask: Long-press reset timeout bitmask > */ > struct mtk_pmic_regs { > const struct mtk_pmic_keys_regs keys_regs[MTK_PMIC_MAX_KEY_COUNT]; > u32 pmic_rst_reg; > + u32 rst_lprst_mask; > }; > > static const struct mtk_pmic_regs mt6397_regs = { > @@ -72,6 +72,7 @@ static const struct mtk_pmic_regs mt6397_regs = { > MTK_PMIC_KEYS_REGS(MT6397_OCSTATUS2, > 0x10, MT6397_INT_RSV, 0x8, MTK_PMIC_MT6397_HOMEKEY_RST_EN), > .pmic_rst_reg = MT6397_TOP_RST_MISC, > + .rst_lprst_mask = MTK_PMIC_MT6397_RST_DU_MASK, > }; > > static const struct mtk_pmic_regs mt6323_regs = { > @@ -82,6 +83,7 @@ static const struct mtk_pmic_regs mt6323_regs = { > MTK_PMIC_KEYS_REGS(MT6323_CHRSTATUS, > 0x4, MT6323_INT_MISC_CON, 0x8, MTK_PMIC_MT6397_HOMEKEY_RST_EN), > .pmic_rst_reg = MT6323_TOP_RST_MISC, > + .rst_lprst_mask = MTK_PMIC_MT6397_RST_DU_MASK, > }; > > static const struct mtk_pmic_regs mt6358_regs = { > @@ -94,6 +96,7 @@ static const struct mtk_pmic_regs mt6358_regs = { > 0x8, MT6358_PSC_TOP_INT_CON0, 0xa, > MTK_PMIC_MT6397_HOMEKEY_RST_EN), > .pmic_rst_reg = MT6358_TOP_RST_MISC, > + .rst_lprst_mask = MTK_PMIC_MT6397_RST_DU_MASK, > }; > > /** > @@ -135,24 +138,26 @@ enum mtk_pmic_keys_lp_mode { > }; > > static void mtk_pmic_keys_lp_reset_setup(struct mtk_pmic_keys *keys, > - u32 pmic_rst_reg) > + const struct mtk_pmic_regs *regs) > { > int ret; > + struct regmap *rmap; > u32 long_press_mode, long_press_debounce; > const struct mtk_pmic_keys_regs *kregs_pwr; > const struct mtk_pmic_keys_regs *kregs_home; > > kregs_pwr = keys->keys[MTK_PMIC_PWRKEY_INDEX].regs; > kregs_home = keys->keys[MTK_PMIC_HOMEKEY_INDEX].regs; > + rmap = keys->regmap; > > ret = of_property_read_u32(keys->dev->of_node, > "power-off-time-sec", &long_press_debounce); > if (ret) > long_press_debounce = 0; > > - regmap_update_bits(keys->regmap, pmic_rst_reg, > - MTK_PMIC_RST_DU_MASK << MTK_PMIC_RST_DU_SHIFT, > - long_press_debounce << MTK_PMIC_RST_DU_SHIFT); > + regmap_update_bits(rmap, regs->pmic_rst_reg, > + regs->rst_lprst_mask, > + long_press_debounce << ffs(regs->rst_lprst_mask)); > > ret = of_property_read_u32(keys->dev->of_node, > "mediatek,long-press-mode", &long_press_mode); > @@ -161,16 +166,16 @@ static void mtk_pmic_keys_lp_reset_setup(struct mtk_pmic_keys *keys, > > switch (long_press_mode) { > case LP_ONEKEY: > - regmap_set_bits(keys->regmap, pmic_rst_reg, kregs_pwr->rst_en_mask); > - regmap_clear_bits(keys->regmap, pmic_rst_reg, kregs_home->rst_en_mask); > + regmap_set_bits(rmap, regs->pmic_rst_reg, kregs_pwr->rst_en_mask); > + regmap_clear_bits(rmap, regs->pmic_rst_reg, kregs_home->rst_en_mask); > break; > case LP_TWOKEY: > - regmap_set_bits(keys->regmap, pmic_rst_reg, kregs_pwr->rst_en_mask); > - regmap_set_bits(keys->regmap, pmic_rst_reg, kregs_home->rst_en_mask); > + regmap_set_bits(rmap, regs->pmic_rst_reg, kregs_pwr->rst_en_mask); > + regmap_set_bits(rmap, regs->pmic_rst_reg, kregs_home->rst_en_mask); > break; > case LP_DISABLE: > - regmap_clear_bits(keys->regmap, pmic_rst_reg, kregs_pwr->rst_en_mask); > - regmap_clear_bits(keys->regmap, pmic_rst_reg, kregs_home->rst_en_mask); > + regmap_clear_bits(rmap, regs->pmic_rst_reg, kregs_pwr->rst_en_mask); > + regmap_clear_bits(rmap, regs->pmic_rst_reg, kregs_home->rst_en_mask); > break; > default: > break; > @@ -378,7 +383,7 @@ static int mtk_pmic_keys_probe(struct platform_device *pdev) > return error; > } > > - mtk_pmic_keys_lp_reset_setup(keys, mtk_pmic_regs->pmic_rst_reg); > + mtk_pmic_keys_lp_reset_setup(keys, mtk_pmic_regs); > > platform_set_drvdata(pdev, keys); > > -- > 2.35.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel