From patchwork Tue Jun 18 12:08:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Duje_Mihanovi=C4=87_via_B4_Relay?= X-Patchwork-Id: 805736 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4E5291BF38; Tue, 18 Jun 2024 12:09:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718712556; cv=none; b=FRZ74rCBMOHes9cXBceA26vWN2FlDW4b8JJf9Y/4JvDVjNS5CUoi1xE/o8puuIvj/Fu8CTFuMRJPjBB8DTVlP1MPKcBGvin0SY77UWHfsLFE6nSWPTfzBEa0uzFh5FJG+yaIiJTjitDdyv5T5dMFJnmd+XRMrhRbfs626bRXux4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718712556; c=relaxed/simple; bh=GIlbtTAG+SpsrUj+oKCIMENxrl7XU+zvMPZn2MH3m64=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=UZBRhYVRKVqs2665TI+zhRInu/rogi56NeB8UE0u4zFJDz9dvyXQ2DVWvk5z9vtnu0SxL/k2MwV60fdxqTp5+3hjWkBTck241/nrAZ9C/44V+QfMRLqCHc2B4izkmENZk5VEidys5wzOy5NuYkrwMYcumQmd/4L9n3nRpJkZ2PM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cxeSi9Tm; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="cxeSi9Tm" Received: by smtp.kernel.org (Postfix) with ESMTPS id D62BBC3277B; Tue, 18 Jun 2024 12:09:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718712556; bh=GIlbtTAG+SpsrUj+oKCIMENxrl7XU+zvMPZn2MH3m64=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=cxeSi9Tm0vEFfKP3Pbxpwq9IAQGR8Remg1HnX5DNpD0bJZPy54r+k7JmGNyFXXzx1 E5iNsmRZ1HBfVz6hxixcQRlfy5IK18XxMlXVgEgHGlmooRFTznYUBwwqTJCOl6Q0fZ M40Z8nQWjmeVbGF/PqHo97Uv4B8n2LcnRu8PKhcZNi2EPhAx1C8p71YRXIE12P7z9F fbwslVYA2KFQJtBOmukK361BO0JMkgEwOMi707DKys+TYCIgwTV8E1bKg2It+WeYI/ li5OuBKO+hh/pU/3mrBeAevVHVAha/gAxF3J1c7ukGfsoMuVltBmJGOlw7pRIjcXoZ QZiapCtod6uHA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2585C2BB85; Tue, 18 Jun 2024 12:09:15 +0000 (UTC) From: =?utf-8?q?Duje_Mihanovi=C4=87_via_B4_Relay?= Date: Tue, 18 Jun 2024 14:08:12 +0200 Subject: [PATCH RESEND v10 01/12] clk: mmp: Switch to use struct u32_fract instead of custom one Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240618-pxa1908-lkml-v10-1-754e5ece9078@skole.hr> References: <20240618-pxa1908-lkml-v10-0-754e5ece9078@skole.hr> In-Reply-To: <20240618-pxa1908-lkml-v10-0-754e5ece9078@skole.hr> To: Michael Turquette , Stephen Boyd , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Tony Lindgren , Haojian Zhuang , =?utf-8?q?Duje_Mihanovi=C4=87?= , Lubomir Rintel , Catalin Marinas , Will Deacon , Tony Luck , "Guilherme G. Piccoli" , Rob Herring , Kees Cook Cc: phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Karel Balej , David Wronek , linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Andy Shevchenko X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=10502; i=duje.mihanovic@skole.hr; h=from:subject:message-id; bh=WZDqO4o4/nDKV7+l/G8915ON/cRfk/nDyxJ0ufM+k0A=; b=owEBbQKS/ZANAwAIAZoRnrBCLZbhAcsmYgBmcXjRAohvlfN0A7KRUrXPfwjS1fbwJG2TOtZDC M1vkE+rstWJAjMEAAEIAB0WIQRT351NnD/hEPs2LXiaEZ6wQi2W4QUCZnF40QAKCRCaEZ6wQi2W 4bezEACGQSOssdPvxpITmEoTZfQawolYzwaPhIMc+3RtMKeR6N7RQkSHo8zMOJlrXuJBu5mNMpT dwL4wkItAaFLM9CEk1R0HbygSp0nqCS/0r00OGIQhjmpFwxTr8wX3uJB1YUveaED4SXdM/p+3n1 eb021p1+Ty1g8gWxD/8ph++Gvtx2SDozCTVnvkL8DzVXbZHmIQeyQ9vX611UXXw2/0FdU2wwMMl yxwUKa6NdfBrRiBZCiNQpT/34EHz+G9uXQR5AzvNSGrilkda3xakCoxHtwRoKCZ5gLc0U8FXdu8 dyQFu4C/FhfIvAR/lDskbQ69fOzfY//omdaAWjM/Hx9r4O4Nz2Zgs8Uw+oGaE5hawTZ+GORQhHy oiEUqzts5pAnv7nUp3La8GvL4HtZOhfcun3ZtlGM5jAaXrotChYQ1RZB0Xs3QXEDj/NsakXtpGd kqNJOs/2z4F3hRCIArKsK2hbYKjUBZmhDXGfB6g1TCiVxXEt5MW2uw7yqkSADEgDb7QMYkj6FE6 FIJUbpx1GqZzV9fUoHa1HIoNCVvAvJpEs/Xl93weDXWUmYaQNT2ik6d+DgtngU9nDfzJCJPDCMs Y8hXtcKWrG7o350PPRRnwhQs1k5dCLp+UGmrew8UEeEgUVbIY/IwlCw2H7dHrGO83R+nGrZXKB+ DJt3KTLP6G+M2qA== X-Developer-Key: i=duje.mihanovic@skole.hr; a=openpgp; fpr=53DF9D4D9C3FE110FB362D789A119EB0422D96E1 X-Endpoint-Received: by B4 Relay for duje.mihanovic@skole.hr/default with auth_id=112 X-Original-From: =?utf-8?q?Duje_Mihanovi=C4=87?= Reply-To: duje.mihanovic@skole.hr From: Andy Shevchenko The struct mmp_clk_factor_tbl repeats the generic struct u32_fract. Kill the custom one and use the generic one instead. Signed-off-by: Andy Shevchenko Tested-by: Duje Mihanović Reviewed-by: Linus Walleij Reviewed-by: Stephen Boyd Signed-off-by: Duje Mihanović --- drivers/clk/mmp/clk-frac.c | 57 ++++++++++++++++++++-------------------- drivers/clk/mmp/clk-of-mmp2.c | 26 +++++++++--------- drivers/clk/mmp/clk-of-pxa168.c | 4 +-- drivers/clk/mmp/clk-of-pxa1928.c | 6 ++--- drivers/clk/mmp/clk-of-pxa910.c | 4 +-- drivers/clk/mmp/clk.h | 10 +++---- 6 files changed, 51 insertions(+), 56 deletions(-) diff --git a/drivers/clk/mmp/clk-frac.c b/drivers/clk/mmp/clk-frac.c index 1b90867b60c4..6556f6ada2e8 100644 --- a/drivers/clk/mmp/clk-frac.c +++ b/drivers/clk/mmp/clk-frac.c @@ -26,14 +26,15 @@ static long clk_factor_round_rate(struct clk_hw *hw, unsigned long drate, { struct mmp_clk_factor *factor = to_clk_factor(hw); u64 rate = 0, prev_rate; + struct u32_fract *d; int i; for (i = 0; i < factor->ftbl_cnt; i++) { - prev_rate = rate; - rate = *prate; - rate *= factor->ftbl[i].den; - do_div(rate, factor->ftbl[i].num * factor->masks->factor); + d = &factor->ftbl[i]; + prev_rate = rate; + rate = (u64)(*prate) * d->denominator; + do_div(rate, d->numerator * factor->masks->factor); if (rate > drate) break; } @@ -52,23 +53,22 @@ static unsigned long clk_factor_recalc_rate(struct clk_hw *hw, { struct mmp_clk_factor *factor = to_clk_factor(hw); struct mmp_clk_factor_masks *masks = factor->masks; - unsigned int val, num, den; + struct u32_fract d; + unsigned int val; u64 rate; val = readl_relaxed(factor->base); /* calculate numerator */ - num = (val >> masks->num_shift) & masks->num_mask; + d.numerator = (val >> masks->num_shift) & masks->num_mask; /* calculate denominator */ - den = (val >> masks->den_shift) & masks->den_mask; - - if (!den) + d.denominator = (val >> masks->den_shift) & masks->den_mask; + if (!d.denominator) return 0; - rate = parent_rate; - rate *= den; - do_div(rate, num * factor->masks->factor); + rate = (u64)parent_rate * d.denominator; + do_div(rate, d.numerator * factor->masks->factor); return rate; } @@ -82,18 +82,18 @@ static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate, int i; unsigned long val; unsigned long flags = 0; + struct u32_fract *d; u64 rate = 0; for (i = 0; i < factor->ftbl_cnt; i++) { - rate = prate; - rate *= factor->ftbl[i].den; - do_div(rate, factor->ftbl[i].num * factor->masks->factor); + d = &factor->ftbl[i]; + rate = (u64)prate * d->denominator; + do_div(rate, d->numerator * factor->masks->factor); if (rate > drate) break; } - if (i > 0) - i--; + d = i ? &factor->ftbl[i - 1] : &factor->ftbl[0]; if (factor->lock) spin_lock_irqsave(factor->lock, flags); @@ -101,10 +101,10 @@ static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate, val = readl_relaxed(factor->base); val &= ~(masks->num_mask << masks->num_shift); - val |= (factor->ftbl[i].num & masks->num_mask) << masks->num_shift; + val |= (d->numerator & masks->num_mask) << masks->num_shift; val &= ~(masks->den_mask << masks->den_shift); - val |= (factor->ftbl[i].den & masks->den_mask) << masks->den_shift; + val |= (d->denominator & masks->den_mask) << masks->den_shift; writel_relaxed(val, factor->base); @@ -118,7 +118,8 @@ static int clk_factor_init(struct clk_hw *hw) { struct mmp_clk_factor *factor = to_clk_factor(hw); struct mmp_clk_factor_masks *masks = factor->masks; - u32 val, num, den; + struct u32_fract d; + u32 val; int i; unsigned long flags = 0; @@ -128,23 +129,22 @@ static int clk_factor_init(struct clk_hw *hw) val = readl(factor->base); /* calculate numerator */ - num = (val >> masks->num_shift) & masks->num_mask; + d.numerator = (val >> masks->num_shift) & masks->num_mask; /* calculate denominator */ - den = (val >> masks->den_shift) & masks->den_mask; + d.denominator = (val >> masks->den_shift) & masks->den_mask; for (i = 0; i < factor->ftbl_cnt; i++) - if (den == factor->ftbl[i].den && num == factor->ftbl[i].num) + if (d.denominator == factor->ftbl[i].denominator && + d.numerator == factor->ftbl[i].numerator) break; if (i >= factor->ftbl_cnt) { val &= ~(masks->num_mask << masks->num_shift); - val |= (factor->ftbl[0].num & masks->num_mask) << - masks->num_shift; + val |= (factor->ftbl[0].numerator & masks->num_mask) << masks->num_shift; val &= ~(masks->den_mask << masks->den_shift); - val |= (factor->ftbl[0].den & masks->den_mask) << - masks->den_shift; + val |= (factor->ftbl[0].denominator & masks->den_mask) << masks->den_shift; } if (!(val & masks->enable_mask) || i >= factor->ftbl_cnt) { @@ -168,8 +168,7 @@ static const struct clk_ops clk_factor_ops = { struct clk *mmp_clk_register_factor(const char *name, const char *parent_name, unsigned long flags, void __iomem *base, struct mmp_clk_factor_masks *masks, - struct mmp_clk_factor_tbl *ftbl, - unsigned int ftbl_cnt, spinlock_t *lock) + struct u32_fract *ftbl, unsigned int ftbl_cnt, spinlock_t *lock) { struct mmp_clk_factor *factor; struct clk_init_data init; diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c index eaad36ee323d..a4f15cee630e 100644 --- a/drivers/clk/mmp/clk-of-mmp2.c +++ b/drivers/clk/mmp/clk-of-mmp2.c @@ -143,9 +143,9 @@ static struct mmp_clk_factor_masks uart_factor_masks = { .den_shift = 0, }; -static struct mmp_clk_factor_tbl uart_factor_tbl[] = { - {.num = 8125, .den = 1536}, /*14.745MHZ */ - {.num = 3521, .den = 689}, /*19.23MHZ */ +static struct u32_fract uart_factor_tbl[] = { + { .numerator = 8125, .denominator = 1536 }, /* 14.745MHZ */ + { .numerator = 3521, .denominator = 689 }, /* 19.23MHZ */ }; static struct mmp_clk_factor_masks i2s_factor_masks = { @@ -157,16 +157,16 @@ static struct mmp_clk_factor_masks i2s_factor_masks = { .enable_mask = 0xd0000000, }; -static struct mmp_clk_factor_tbl i2s_factor_tbl[] = { - {.num = 24868, .den = 511}, /* 2.0480 MHz */ - {.num = 28003, .den = 793}, /* 2.8224 MHz */ - {.num = 24941, .den = 1025}, /* 4.0960 MHz */ - {.num = 28003, .den = 1586}, /* 5.6448 MHz */ - {.num = 31158, .den = 2561}, /* 8.1920 MHz */ - {.num = 16288, .den = 1845}, /* 11.2896 MHz */ - {.num = 20772, .den = 2561}, /* 12.2880 MHz */ - {.num = 8144, .den = 1845}, /* 22.5792 MHz */ - {.num = 10386, .den = 2561}, /* 24.5760 MHz */ +static struct u32_fract i2s_factor_tbl[] = { + { .numerator = 24868, .denominator = 511 }, /* 2.0480 MHz */ + { .numerator = 28003, .denominator = 793 }, /* 2.8224 MHz */ + { .numerator = 24941, .denominator = 1025 }, /* 4.0960 MHz */ + { .numerator = 28003, .denominator = 1586 }, /* 5.6448 MHz */ + { .numerator = 31158, .denominator = 2561 }, /* 8.1920 MHz */ + { .numerator = 16288, .denominator = 1845 }, /* 11.2896 MHz */ + { .numerator = 20772, .denominator = 2561 }, /* 12.2880 MHz */ + { .numerator = 8144, .denominator = 1845 }, /* 22.5792 MHz */ + { .numerator = 10386, .denominator = 2561 }, /* 24.5760 MHz */ }; static DEFINE_SPINLOCK(acgr_lock); diff --git a/drivers/clk/mmp/clk-of-pxa168.c b/drivers/clk/mmp/clk-of-pxa168.c index c5a7ba1deaa3..5f250427e60d 100644 --- a/drivers/clk/mmp/clk-of-pxa168.c +++ b/drivers/clk/mmp/clk-of-pxa168.c @@ -106,8 +106,8 @@ static struct mmp_clk_factor_masks uart_factor_masks = { .den_shift = 0, }; -static struct mmp_clk_factor_tbl uart_factor_tbl[] = { - {.num = 8125, .den = 1536}, /*14.745MHZ */ +static struct u32_fract uart_factor_tbl[] = { + { .numerator = 8125, .denominator = 1536 }, /* 14.745MHZ */ }; static void pxa168_pll_init(struct pxa168_clk_unit *pxa_unit) diff --git a/drivers/clk/mmp/clk-of-pxa1928.c b/drivers/clk/mmp/clk-of-pxa1928.c index 9def4b5f10e9..ebb6e278eda3 100644 --- a/drivers/clk/mmp/clk-of-pxa1928.c +++ b/drivers/clk/mmp/clk-of-pxa1928.c @@ -61,9 +61,9 @@ static struct mmp_clk_factor_masks uart_factor_masks = { .den_shift = 0, }; -static struct mmp_clk_factor_tbl uart_factor_tbl[] = { - {.num = 832, .den = 234}, /*58.5MHZ */ - {.num = 1, .den = 1}, /*26MHZ */ +static struct u32_fract uart_factor_tbl[] = { + { .numerator = 832, .denominator = 234 }, /* 58.5MHZ */ + { .numerator = 1, .denominator = 1 }, /* 26MHZ */ }; static void pxa1928_pll_init(struct pxa1928_clk_unit *pxa_unit) diff --git a/drivers/clk/mmp/clk-of-pxa910.c b/drivers/clk/mmp/clk-of-pxa910.c index 7a38c424782e..fe65e7bdb411 100644 --- a/drivers/clk/mmp/clk-of-pxa910.c +++ b/drivers/clk/mmp/clk-of-pxa910.c @@ -86,8 +86,8 @@ static struct mmp_clk_factor_masks uart_factor_masks = { .den_shift = 0, }; -static struct mmp_clk_factor_tbl uart_factor_tbl[] = { - {.num = 8125, .den = 1536}, /*14.745MHZ */ +static struct u32_fract uart_factor_tbl[] = { + { .numerator = 8125, .denominator = 1536 }, /* 14.745MHZ */ }; static void pxa910_pll_init(struct pxa910_clk_unit *pxa_unit) diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h index 55ac05379781..c83cec169ddc 100644 --- a/drivers/clk/mmp/clk.h +++ b/drivers/clk/mmp/clk.h @@ -3,6 +3,7 @@ #define __MACH_MMP_CLK_H #include +#include #include #include @@ -20,16 +21,11 @@ struct mmp_clk_factor_masks { unsigned int enable_mask; }; -struct mmp_clk_factor_tbl { - unsigned int num; - unsigned int den; -}; - struct mmp_clk_factor { struct clk_hw hw; void __iomem *base; struct mmp_clk_factor_masks *masks; - struct mmp_clk_factor_tbl *ftbl; + struct u32_fract *ftbl; unsigned int ftbl_cnt; spinlock_t *lock; }; @@ -37,7 +33,7 @@ struct mmp_clk_factor { extern struct clk *mmp_clk_register_factor(const char *name, const char *parent_name, unsigned long flags, void __iomem *base, struct mmp_clk_factor_masks *masks, - struct mmp_clk_factor_tbl *ftbl, unsigned int ftbl_cnt, + struct u32_fract *ftbl, unsigned int ftbl_cnt, spinlock_t *lock); /* Clock type "mix" */