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[2001:14ba:7426:df00::2]) by smtp.gmail.com with ESMTPSA id n2-20020a056512310200b0051140df84fdsm96155lfb.12.2024.02.06.23.57.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 06 Feb 2024 23:57:55 -0800 (PST) Message-ID: Date: Wed, 7 Feb 2024 09:57:54 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 11/18] mfd: rohm: convert to use maple tree register cache Content-Language: en-US, en-GB To: Bo Liu , lee@kernel.org, wens@csie.org, marek.vasut+renesas@gmail.com, support.opensource@diasemi.com, neil.armstrong@linaro.org, ckeepax@opensource.cirrus.com, rf@opensource.cirrus.com, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com Cc: linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-amlogic@lists.infradead.org, patches@opensource.cirrus.com, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org References: <20240206071314.8721-1-liubo03@inspur.com> <20240206071314.8721-12-liubo03@inspur.com> From: Matti Vaittinen In-Reply-To: <20240206071314.8721-12-liubo03@inspur.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240206_235759_711786_45D1ED1B X-CRM114-Status: GOOD ( 14.41 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On 2/6/24 09:13, Bo Liu wrote: > The maple tree register cache is based on a much more modern data structure > than the rbtree cache and makes optimisation choices which are probably > more appropriate for modern systems than those made by the rbtree cache. > > Signed-off-by: Bo Liu Acked-by: Matti Vaittinen > --- > drivers/mfd/rohm-bd71828.c | 4 ++-- > drivers/mfd/rohm-bd718x7.c | 2 +- > drivers/mfd/rohm-bd9576.c | 2 +- > 3 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/mfd/rohm-bd71828.c b/drivers/mfd/rohm-bd71828.c > index 594718f7e8e1..2f3826c7eef4 100644 > --- a/drivers/mfd/rohm-bd71828.c > +++ b/drivers/mfd/rohm-bd71828.c > @@ -197,7 +197,7 @@ static const struct regmap_config bd71815_regmap = { > .val_bits = 8, > .volatile_table = &bd71815_volatile_regs, > .max_register = BD71815_MAX_REGISTER - 1, > - .cache_type = REGCACHE_RBTREE, > + .cache_type = REGCACHE_MAPLE, > }; > > static const struct regmap_config bd71828_regmap = { > @@ -205,7 +205,7 @@ static const struct regmap_config bd71828_regmap = { > .val_bits = 8, > .volatile_table = &bd71828_volatile_regs, > .max_register = BD71828_MAX_REGISTER, > - .cache_type = REGCACHE_RBTREE, > + .cache_type = REGCACHE_MAPLE, > }; > > /* > diff --git a/drivers/mfd/rohm-bd718x7.c b/drivers/mfd/rohm-bd718x7.c > index 4798bdf27afb..7755a4c073bf 100644 > --- a/drivers/mfd/rohm-bd718x7.c > +++ b/drivers/mfd/rohm-bd718x7.c > @@ -87,7 +87,7 @@ static const struct regmap_config bd718xx_regmap_config = { > .val_bits = 8, > .volatile_table = &volatile_regs, > .max_register = BD718XX_MAX_REGISTER - 1, > - .cache_type = REGCACHE_RBTREE, > + .cache_type = REGCACHE_MAPLE, > }; > > static int bd718xx_init_press_duration(struct regmap *regmap, > diff --git a/drivers/mfd/rohm-bd9576.c b/drivers/mfd/rohm-bd9576.c > index bceac7016740..3a9f61961721 100644 > --- a/drivers/mfd/rohm-bd9576.c > +++ b/drivers/mfd/rohm-bd9576.c > @@ -62,7 +62,7 @@ static struct regmap_config bd957x_regmap = { > .val_bits = 8, > .volatile_table = &volatile_regs, > .max_register = BD957X_MAX_REGISTER, > - .cache_type = REGCACHE_RBTREE, > + .cache_type = REGCACHE_MAPLE, > }; > > static struct regmap_irq bd9576_irqs[] = { -- Matti Vaittinen Linux kernel developer at ROHM Semiconductors Oulu Finland ~~ When things go utterly wrong vim users can always type :help! ~~ _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic