From: Simon Horman <horms@verge.net.au> To: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Linus Walleij <linus.walleij@linaro.org>, Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>, Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>, linux-renesas-soc@vger.kernel.org, linux-sh@vger.kernel.org, linux-gpio@vger.kernel.org Subject: Re: [PATCH 11/15] pinctrl: sh-pfc: Print actual field width for variable-width fields Date: Mon, 17 Dec 2018 14:46:23 +0000 [thread overview] Message-ID: <20181217144618.a6omxq2y4acydp75@verge.net.au> (raw) In-Reply-To: <20181213182714.26094-12-geert+renesas@glider.be> On Thu, Dec 13, 2018 at 07:27:10PM +0100, Geert Uytterhoeven wrote: > The debug code in sh_pfc_write_config_reg() prints the width of the > field being modified. > > However, registers with a variable-width field layout are identified by > pinmux_cfg_reg.field_width being zero, hence zeroes are printed instead > of the actual field widths. > > Fix this by printing the Hamming height of the field mask instead, which > is correct for both fixed-width and variable-width fields. s/height/width ? > Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> > --- > drivers/pinctrl/sh-pfc/core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c > index a10f7050a74f35ff..f1cfcc8c65446662 100644 > --- a/drivers/pinctrl/sh-pfc/core.c > +++ b/drivers/pinctrl/sh-pfc/core.c > @@ -221,7 +221,7 @@ static void sh_pfc_write_config_reg(struct sh_pfc *pfc, > > dev_dbg(pfc->dev, "write_reg addr = %x, value = 0x%x, field = %u, " > "r_width = %u, f_width = %u\n", > - crp->reg, value, field, crp->reg_width, crp->field_width); > + crp->reg, value, field, crp->reg_width, hweight32(mask)); > > mask = ~(mask << pos); > value = value << pos; > -- > 2.17.1 >
WARNING: multiple messages have this Message-ID (diff)
From: Simon Horman <horms@verge.net.au> To: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Linus Walleij <linus.walleij@linaro.org>, Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>, Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>, linux-renesas-soc@vger.kernel.org, linux-sh@vger.kernel.org, linux-gpio@vger.kernel.org Subject: Re: [PATCH 11/15] pinctrl: sh-pfc: Print actual field width for variable-width fields Date: Mon, 17 Dec 2018 15:46:23 +0100 [thread overview] Message-ID: <20181217144618.a6omxq2y4acydp75@verge.net.au> (raw) In-Reply-To: <20181213182714.26094-12-geert+renesas@glider.be> On Thu, Dec 13, 2018 at 07:27:10PM +0100, Geert Uytterhoeven wrote: > The debug code in sh_pfc_write_config_reg() prints the width of the > field being modified. > > However, registers with a variable-width field layout are identified by > pinmux_cfg_reg.field_width being zero, hence zeroes are printed instead > of the actual field widths. > > Fix this by printing the Hamming height of the field mask instead, which > is correct for both fixed-width and variable-width fields. s/height/width ? > Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> > --- > drivers/pinctrl/sh-pfc/core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c > index a10f7050a74f35ff..f1cfcc8c65446662 100644 > --- a/drivers/pinctrl/sh-pfc/core.c > +++ b/drivers/pinctrl/sh-pfc/core.c > @@ -221,7 +221,7 @@ static void sh_pfc_write_config_reg(struct sh_pfc *pfc, > > dev_dbg(pfc->dev, "write_reg addr = %x, value = 0x%x, field = %u, " > "r_width = %u, f_width = %u\n", > - crp->reg, value, field, crp->reg_width, crp->field_width); > + crp->reg, value, field, crp->reg_width, hweight32(mask)); > > mask = ~(mask << pos); > value = value << pos; > -- > 2.17.1 >
next prev parent reply other threads:[~2018-12-17 14:46 UTC|newest] Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-12-13 18:26 [PATCH 00/15] pinctrl: sh-pfc: Fix config register descriptions Geert Uytterhoeven 2018-12-13 18:26 ` Geert Uytterhoeven 2018-12-13 18:27 ` [PATCH 01/15] pinctrl: sh-pfc: r8a77994: Remove bogus IPSR9 field Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-14 8:00 ` Sergei Shtylyov 2018-12-14 8:00 ` Sergei Shtylyov 2018-12-14 9:38 ` Geert Uytterhoeven 2018-12-14 9:38 ` Geert Uytterhoeven 2018-12-17 13:38 ` Simon Horman 2018-12-17 13:38 ` Simon Horman 2018-12-13 18:27 ` [PATCH 02/15] pinctrl: sh-pfc: r8a779970: Add missing MOD_SEL0 field Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-17 13:47 ` Simon Horman 2018-12-17 13:47 ` Simon Horman 2018-12-13 18:27 ` [PATCH 03/15] pinctrl: sh-pfc: r8a779980: " Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-17 13:48 ` Simon Horman 2018-12-17 13:48 ` Simon Horman 2018-12-13 18:27 ` [PATCH 04/15] pinctrl: sh-pfc: sh7734: Add missing IPSR11 field Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-17 14:03 ` Simon Horman 2018-12-17 14:03 ` Simon Horman 2018-12-13 18:27 ` [PATCH 05/15] pinctrl: sh-pfc: r8a77990: Fix MOD_SEL0 SEL_I2C1 field width Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-17 13:58 ` Simon Horman 2018-12-17 13:58 ` Simon Horman 2018-12-13 18:27 ` [PATCH 06/15] pinctrl: sh-pfc: r8a77995: Remove bogus SEL_PWM[0-3]_3 configurations Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-17 14:07 ` Simon Horman 2018-12-17 14:07 ` Simon Horman 2018-12-17 14:12 ` Geert Uytterhoeven 2018-12-17 14:12 ` Geert Uytterhoeven 2018-12-17 19:58 ` Simon Horman 2018-12-17 19:58 ` Simon Horman 2018-12-13 18:27 ` [PATCH 07/15] pinctrl: sh-pfc: sh7264: Fix PFCR3 and PFCR0 register configuration Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-17 14:24 ` Simon Horman 2018-12-17 14:24 ` Simon Horman 2018-12-13 18:27 ` [PATCH 08/15] pinctrl: sh-pfc: sh7269: Add missing PCIOR0 field Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-17 14:29 ` Simon Horman 2018-12-17 14:29 ` Simon Horman 2018-12-13 18:27 ` [PATCH 09/15] pinctrl: sh-pfc: sh7734: Remove bogus IPSR10 value Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-17 14:31 ` Simon Horman 2018-12-17 14:31 ` Simon Horman 2018-12-13 18:27 ` [PATCH 10/15] pinctrl: sh-pfc: sh7734: Fix shifted values in IPSR10 Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-17 14:37 ` Simon Horman 2018-12-17 14:37 ` Simon Horman 2018-12-17 14:45 ` Geert Uytterhoeven 2018-12-17 14:45 ` Geert Uytterhoeven 2018-12-17 15:18 ` Simon Horman 2018-12-17 15:18 ` Simon Horman 2018-12-13 18:27 ` [PATCH 11/15] pinctrl: sh-pfc: Print actual field width for variable-width fields Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-17 14:46 ` Simon Horman [this message] 2018-12-17 14:46 ` Simon Horman 2018-12-17 14:58 ` Geert Uytterhoeven 2018-12-17 14:58 ` Geert Uytterhoeven 2018-12-17 15:17 ` Simon Horman 2018-12-17 15:17 ` Simon Horman 2018-12-13 18:27 ` [PATCH 12/15] pinctrl: sh-pfc: Make pinmux_cfg_reg.var_field_width[] variable-length Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-17 14:47 ` Simon Horman 2018-12-17 14:47 ` Simon Horman 2018-12-13 18:27 ` [PATCH 13/15] [RFC] pinctrl: sh-pfc: Absorb enum IDs in PINMUX_CFG_REG() macro Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-13 18:27 ` [PATCH 14/15] [RFC] pinctrl: sh-pfc: Absorb enum IDs in PINMUX_CFG_REG_VAR() macro Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven 2018-12-13 18:27 ` [PATCH 15/15] [RFC] pinctrl: sh-pfc: Validate pinmux tables at runtime when debugging Geert Uytterhoeven 2018-12-13 18:27 ` Geert Uytterhoeven
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