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Mon, 20 Oct 2025 12:43:19 -0700 (PDT) Received: from [192.168.50.4] ([82.78.167.151]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b65eb03649dsm868542666b.50.2025.10.20.12.43.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 20 Oct 2025 12:43:18 -0700 (PDT) Message-ID: <26ea14dd-d331-41ee-b5b0-865918aa7690@tuxon.dev> Date: Mon, 20 Oct 2025 22:43:17 +0300 Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Claudiu Beznea Subject: Re: [PATCH v4 07/31] clk: at91: clk-utmi: use clk_parent_data To: Ryan.Wanner@microchip.com, mturquette@baylibre.com, sboyd@kernel.org, alexandre.belloni@bootlin.com, nicolas.ferre@microchip.com Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, varshini.rajendran@microchip.com References: <87a3e3615345c975acc669207cd8bd9f849b0fb0.1758226719.git.Ryan.Wanner@microchip.com> Content-Language: en-US In-Reply-To: <87a3e3615345c975acc669207cd8bd9f849b0fb0.1758226719.git.Ryan.Wanner@microchip.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi, Ryan, On 9/19/25 00:15, Ryan.Wanner@microchip.com wrote: > From: Claudiu Beznea > > Use struct clk_parent_data instead of struct parent_hw as this leads > to less usage of __clk_get_hw() in SoC specific clock drivers and simpler > conversion of existing SoC specific clock drivers from parent_names to > modern clk_parent_data structures. > > Signed-off-by: Claudiu Beznea > Signed-off-by: Ryan Wanner > --- > drivers/clk/at91/clk-utmi.c | 16 ++++++++-------- > drivers/clk/at91/pmc.h | 4 ++-- > drivers/clk/at91/sama7g5.c | 21 +++++++++++++-------- > 3 files changed, 23 insertions(+), 18 deletions(-) > > diff --git a/drivers/clk/at91/clk-utmi.c b/drivers/clk/at91/clk-utmi.c > index b991180beea1..38ffe4d712a5 100644 > --- a/drivers/clk/at91/clk-utmi.c > +++ b/drivers/clk/at91/clk-utmi.c > @@ -144,7 +144,7 @@ static struct clk_hw * __init > at91_clk_register_utmi_internal(struct regmap *regmap_pmc, > struct regmap *regmap_sfr, > const char *name, const char *parent_name, > - struct clk_hw *parent_hw, > + struct clk_parent_data *parent_data, > const struct clk_ops *ops, unsigned long flags) > { > struct clk_utmi *utmi; > @@ -152,7 +152,7 @@ at91_clk_register_utmi_internal(struct regmap *regmap_pmc, > struct clk_init_data init = {}; > int ret; > > - if (!(parent_name || parent_hw)) > + if (!(parent_name || parent_data)) > return ERR_PTR(-EINVAL); > > utmi = kzalloc(sizeof(*utmi), GFP_KERNEL); > @@ -161,8 +161,8 @@ at91_clk_register_utmi_internal(struct regmap *regmap_pmc, > > init.name = name; > init.ops = ops; > - if (parent_hw) > - init.parent_hws = (const struct clk_hw **)&parent_hw; > + if (parent_data) > + init.parent_data = (const struct clk_parent_data *)parent_data; > else > init.parent_names = &parent_name; > init.num_parents = 1; > @@ -185,10 +185,10 @@ at91_clk_register_utmi_internal(struct regmap *regmap_pmc, > struct clk_hw * __init > at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr, > const char *name, const char *parent_name, > - struct clk_hw *parent_hw) > + struct clk_parent_data *parent_data) > { > return at91_clk_register_utmi_internal(regmap_pmc, regmap_sfr, name, > - parent_name, parent_hw, &utmi_ops, CLK_SET_RATE_GATE); > + parent_name, parent_data, &utmi_ops, CLK_SET_RATE_GATE); > } > > static int clk_utmi_sama7g5_prepare(struct clk_hw *hw) > @@ -287,8 +287,8 @@ static const struct clk_ops sama7g5_utmi_ops = { > > struct clk_hw * __init > at91_clk_sama7g5_register_utmi(struct regmap *regmap_pmc, const char *name, > - const char *parent_name, struct clk_hw *parent_hw) > + const char *parent_name, struct clk_parent_data *parent_data) > { > return at91_clk_register_utmi_internal(regmap_pmc, NULL, name, > - parent_name, parent_hw, &sama7g5_utmi_ops, 0); > + parent_name, parent_data, &sama7g5_utmi_ops, 0); > } > diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h > index 13d125793216..ee77c14e8b25 100644 > --- a/drivers/clk/at91/pmc.h > +++ b/drivers/clk/at91/pmc.h > @@ -302,10 +302,10 @@ at91rm9200_clk_register_usb(struct regmap *regmap, const char *name, > struct clk_hw * __init > at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr, > const char *name, const char *parent_name, > - struct clk_hw *parent_hw); > + struct clk_parent_data *parent_data); > > struct clk_hw * __init > at91_clk_sama7g5_register_utmi(struct regmap *regmap, const char *name, > - const char *parent_name, struct clk_hw *parent_hw); > + const char *parent_name, struct clk_parent_data *parent_data); > > #endif /* __PMC_H_ */ > diff --git a/drivers/clk/at91/sama7g5.c b/drivers/clk/at91/sama7g5.c > index b1b0e9e67228..dde662a6133f 100644 > --- a/drivers/clk/at91/sama7g5.c > +++ b/drivers/clk/at91/sama7g5.c > @@ -976,10 +976,11 @@ static void __init sama7g5_pmc_setup(struct device_node *np) > void **alloc_mem = NULL; > int alloc_mem_size = 0; > struct regmap *regmap; > - struct clk_hw *hw, *main_rc_hw, *main_osc_hw, *main_xtal_hw; > + struct clk_hw *hw, *main_rc_hw, *main_osc_hw; > struct clk_hw *td_slck_hw, *md_slck_hw; > - static struct clk_parent_data parent_data; > + struct clk_parent_data parent_data[2]; This should be part of patch 6/31. > struct clk_hw *parent_hws[10]; > + struct clk *main_xtal; This could be moved in the for block where of_clk_get_by_name(np, main_xtal_name); is called.