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Mon, 7 Feb 2022 13:17:08 +0900 (KST) Received: from alimakhtar03 (unknown [107.122.12.5]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20220207041701epsmtip15f07fd6355d1db162219b38209f85dc9~RZfBBFTso3211932119epsmtip1C; Mon, 7 Feb 2022 04:17:00 +0000 (GMT) From: "Alim Akhtar" To: "'Krzysztof Kozlowski'" , "'Rob Herring'" , "'Lukasz Luba'" , "'Dmitry Osipenko'" , , , , , In-Reply-To: <20220206135807.211767-8-krzysztof.kozlowski@canonical.com> Subject: RE: [PATCH v3 7/8] memory: of: parse max-freq property Date: Mon, 7 Feb 2022 09:46:55 +0530 Message-ID: <0a7201d81bd9$9251fed0$b6f5fc70$@samsung.com> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQGyHe1yAVlgrWkusZTYpz8Cv3vw/AIE77dMAizDPX+ssekcMA== Content-Language: en-us X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrOJsWRmVeSWpSXmKPExsWy7bCmpu6qOQxJBttf6lvMP3KO1WL1x8eM Fhvf/mCy2PT4GqvF5V1z2Cw+9x5htJhxfh+TxcKmFnaL1r1H2B04PdbMW8PoMauhl81j56y7 7B6bVnWyeWxeUu/xeZNcAFtUtk1GamJKapFCal5yfkpmXrqtkndwvHO8qZmBoa6hpYW5kkJe Ym6qrZKLT4CuW2YO0FFKCmWJOaVAoYDE4mIlfTubovzSklSFjPziElul1IKUnAKTAr3ixNzi 0rx0vbzUEitDAwMjU6DChOyMGWtWsRQs4KtYc7SRuYFxCU8XIyeHhICJxK1Tn9i7GLk4hAR2 M0qcX3CKGcL5xCix6u9rFpAqIYHPjBI770vAdDx+sA2qaBejxLcrOxghnJeMEp0v7rODVLEJ 6ErsWNzGBpIQEXjMJDHx/FZGkASngIfE7zXvgcZycAgL2Eu87bUECbMIqEis+3OQGcTmFbCU uNW0kwnCFpQ4OfMJ2BXMAvIS29/OYYa4QkHi59NlrCC2iICTxPRPfYwQNeISL48eAftHQmAh h8Tf951MEA0uEgd/vWWDsIUlXh3fwg5hS0m87G9jB7lHQiBbomeXMUS4RmLpvGMsELa9xIEr c8BOZhbQlFi/Sx9iFZ9E7+8nTBCdvBIdbUIQ1aoSze+uQnVKS0zs7maFKPGQ+DlXDBJSNxkl Zp7fwTiBUWEWkidnIXlyFpJnZiEsXsDIsopRMrWgODc9tdi0wCgvtRwe3cn5uZsYwSlWy2sH 48MHH/QOMTJxMB5ilOBgVhLhlen+nyjEm5JYWZValB9fVJqTWnyI0RQY8hOZpUST84FJPq8k 3tDE0sDEzMzMxNLYzFBJnPd0+oZEIYH0xJLU7NTUgtQimD4mDk6pBqaiqfztqqeOr1D/O1lE tiLy4pYAkQPdsUz/Nu6IE3/2/vDreneWt8rBO8PPSnk9OV+7rJnLL/lJX6/L6sr8l61BHctu bDyn4l55veIUk5CwV4pRVWYte+3r+sP3trN6Wcrn2R1fvWC7hK25gL+Lsbgpo73XN4v68qQT QT9XT46MM1LSnxpU/phpb4apk8fkfIkap8vtX4urohjtnC/JHPHuuBWUXp9Qsdl7V8W6RTWy Lpc2/Txpx9+bmmVypDWr8d3ePRc+LejJOLTeY/d8jqPCx9uYXduXt1/78EL/ycWcwxtCFSLl yuU/Xrv1jZ2dYZ79/V+r6l9ov7p81yb4HX/V2qJL5+ccfHL3xDbhMiWW4oxEQy3mouJEAEiG 5MY6BAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpmkeLIzCtJLcpLzFFi42LZdlhJTtdlLkOSwadGRYv5R86xWqz++JjR YuPbH0wWmx5fY7W4vGsOm8Xn3iOMFjPO72OyWNjUwm7RuvcIuwOnx5p5axg9ZjX0snnsnHWX 3WPTqk42j81L6j0+b5ILYIvisklJzcksSy3St0vgypixZhVLwQK+ijVHG5kbGJfwdDFyckgI mEg8frCNGcQWEtjBKLF9PjtEXFri+sYJULawxMp/z4FsLqCa54wSu3bPYwNJsAnoSuxY3MYG khAReM0k8aBpKQtE1VVGieVbrzCBVHEKeEj8XvMeKMHBISxgL/G21xIkzCKgIrHuz0GwzbwC lhK3mnYyQdiCEidnPgErZxbQk2jbyAgSZhaQl9j+dg4zxEEKEj+fLmMFsUUEnCSmf+qDqhGX eHn0CPsERqFZSCbNQpg0C8mkWUg6FjCyrGKUTC0ozk3PLTYsMMpLLdcrTswtLs1L10vOz93E CI4nLa0djHtWfdA7xMjEwXiIUYKDWUmEV6b7f6IQb0piZVVqUX58UWlOavEhRmkOFiVx3gtd J+OFBNITS1KzU1MLUotgskwcnFINTKt/OZuvvKmSW7A6Kyn66921hom7eX6d2MU5IWrO9fe9 Eyf+VbFozk6bWi4uULLjvcyUTV9r+te4CHOf2pt/xzDBgCXSxfJNtfURycNdTGsm2dhd+/9j +l/e/QYcP4IPVE53t5J7qrZR+KTYucNOAueLbtUvzd5wfMZ0G6f++ke2fXO8z0k6y6bWLhST XL8udfsLfu5js0+v+MO5dnduMMP9V/kX77ptLgw6zFUaqfxsf/el/5qXuS7tF7r//bHTs6Ym FrUMl0/fahkD7NIuFHavevV1xWObz03TOm7HOCucYo2+eU3o+7y7QL99Xtsm63ywcX6Y6s60 ssUvmGKd/ScWT5lXf3uT4pNN0v+WbFdiKc5INNRiLipOBABd+X+FFgMAAA== X-CMS-MailID: 20220207041708epcas5p3a8e7483fc69e7e6019e48e9f05d56806 X-Msg-Generator: CA CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220206135826epcas5p23b773aa6d7a4483d8b91015d200d975f References: <20220206135807.211767-1-krzysztof.kozlowski@canonical.com> <20220206135807.211767-8-krzysztof.kozlowski@canonical.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220206_201720_713382_D618ECE3 X-CRM114-Status: GOOD ( 11.46 ) 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 Hi Krzysztof >-----Original Message----- >From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@canonical.com] >Sent: Sunday, February 6, 2022 7:28 PM >To: Krzysztof Kozlowski ; Rob Herring >; Lukasz Luba ; Alim Akhtar >; Dmitry Osipenko ; linux- >kernel@vger.kernel.org; devicetree@vger.kernel.org; linux- >pm@vger.kernel.org; linux-samsung-soc@vger.kernel.org; linux-arm- >kernel@lists.infradead.org >Subject: [PATCH v3 7/8] memory: of: parse max-freq property > >Passing the memory timings maximum frequency as an unit address was a >workaround and instead 'max-freq' is preferred. Look for 'max-freq' >first and then fallback to 'reg'. > >Signed-off-by: Krzysztof Kozlowski >--- Reviewed-by: Alim Akhtar > drivers/memory/of_memory.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > >diff --git a/drivers/memory/of_memory.c b/drivers/memory/of_memory.c >index b94408954d85..bac5c7f34936 100644 >--- a/drivers/memory/of_memory.c >+++ b/drivers/memory/of_memory.c >@@ -212,8 +212,10 @@ static int of_lpddr3_do_get_timings(struct >device_node *np, { > int ret; > >- /* The 'reg' param required since DT has changed, used as 'max-freq' >*/ >- ret = of_property_read_u32(np, "reg", &tim->max_freq); >+ ret = of_property_read_u32(np, "max-freq", &tim->max_freq); >+ if (ret) >+ /* Deprecated way of passing max-freq as 'reg' */ >+ ret = of_property_read_u32(np, "reg", &tim->max_freq); > ret |= of_property_read_u32(np, "min-freq", &tim->min_freq); > ret |= of_property_read_u32(np, "tRFC", &tim->tRFC); > ret |= of_property_read_u32(np, "tRRD", &tim->tRRD); >-- >2.32.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9CCF5C43217 for ; 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Mon, 7 Feb 2022 04:17:08 +0000 (GMT) Received: from epsmgms1p2.samsung.com (unknown [182.195.42.42]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20220207041708epsmtrp15c172bd6db2f1756f2b748c4cf0ef0b4~RZfHrrGjq0897108971epsmtrp1e; Mon, 7 Feb 2022 04:17:08 +0000 (GMT) X-AuditID: b6c32a4a-de5ff7000000b6e6-97-62009caa640c Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id 96.9B.08738.44D90026; Mon, 7 Feb 2022 13:17:08 +0900 (KST) Received: from alimakhtar03 (unknown [107.122.12.5]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20220207041701epsmtip15f07fd6355d1db162219b38209f85dc9~RZfBBFTso3211932119epsmtip1C; Mon, 7 Feb 2022 04:17:00 +0000 (GMT) From: "Alim Akhtar" To: "'Krzysztof Kozlowski'" , "'Rob Herring'" , "'Lukasz Luba'" , "'Dmitry Osipenko'" , , , , , In-Reply-To: <20220206135807.211767-8-krzysztof.kozlowski@canonical.com> Subject: RE: [PATCH v3 7/8] memory: of: parse max-freq property Date: Mon, 7 Feb 2022 09:46:55 +0530 Message-ID: <0a7201d81bd9$9251fed0$b6f5fc70$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQGyHe1yAVlgrWkusZTYpz8Cv3vw/AIE77dMAizDPX+ssekcMA== Content-Language: en-us X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrOJsWRmVeSWpSXmKPExsWy7bCmpu6qOQxJBttf6lvMP3KO1WL1x8eM Fhvf/mCy2PT4GqvF5V1z2Cw+9x5htJhxfh+TxcKmFnaL1r1H2B04PdbMW8PoMauhl81j56y7 7B6bVnWyeWxeUu/xeZNcAFtUtk1GamJKapFCal5yfkpmXrqtkndwvHO8qZmBoa6hpYW5kkJe Ym6qrZKLT4CuW2YO0FFKCmWJOaVAoYDE4mIlfTubovzSklSFjPziElul1IKUnAKTAr3ixNzi 0rx0vbzUEitDAwMjU6DChOyMGWtWsRQs4KtYc7SRuYFxCU8XIyeHhICJxK1Tn9i7GLk4hAR2 M0qcX3CKGcL5xCix6u9rFpAqIYHPjBI770vAdDx+sA2qaBejxLcrOxghnJeMEp0v7rODVLEJ 6ErsWNzGBpIQEXjMJDHx/FZGkASngIfE7zXvgcZycAgL2Eu87bUECbMIqEis+3OQGcTmFbCU uNW0kwnCFpQ4OfMJ2BXMAvIS29/OYYa4QkHi59NlrCC2iICTxPRPfYwQNeISL48eAftHQmAh h8Tf951MEA0uEgd/vWWDsIUlXh3fwg5hS0m87G9jB7lHQiBbomeXMUS4RmLpvGMsELa9xIEr c8BOZhbQlFi/Sx9iFZ9E7+8nTBCdvBIdbUIQ1aoSze+uQnVKS0zs7maFKPGQ+DlXDBJSNxkl Zp7fwTiBUWEWkidnIXlyFpJnZiEsXsDIsopRMrWgODc9tdi0wCgvtRwe3cn5uZsYwSlWy2sH 48MHH/QOMTJxMB5ilOBgVhLhlen+nyjEm5JYWZValB9fVJqTWnyI0RQY8hOZpUST84FJPq8k 3tDE0sDEzMzMxNLYzFBJnPd0+oZEIYH0xJLU7NTUgtQimD4mDk6pBqaiqfztqqeOr1D/O1lE tiLy4pYAkQPdsUz/Nu6IE3/2/vDreneWt8rBO8PPSnk9OV+7rJnLL/lJX6/L6sr8l61BHctu bDyn4l55veIUk5CwV4pRVWYte+3r+sP3trN6Wcrn2R1fvWC7hK25gL+Lsbgpo73XN4v68qQT QT9XT46MM1LSnxpU/phpb4apk8fkfIkap8vtX4urohjtnC/JHPHuuBWUXp9Qsdl7V8W6RTWy Lpc2/Txpx9+bmmVypDWr8d3ePRc+LejJOLTeY/d8jqPCx9uYXduXt1/78EL/ycWcwxtCFSLl yuU/Xrv1jZ2dYZ79/V+r6l9ov7p81yb4HX/V2qJL5+ccfHL3xDbhMiWW4oxEQy3mouJEAEiG 5MY6BAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpmkeLIzCtJLcpLzFFi42LZdlhJTtdlLkOSwadGRYv5R86xWqz++JjR YuPbH0wWmx5fY7W4vGsOm8Xn3iOMFjPO72OyWNjUwm7RuvcIuwOnx5p5axg9ZjX0snnsnHWX 3WPTqk42j81L6j0+b5ILYIvisklJzcksSy3St0vgypixZhVLwQK+ijVHG5kbGJfwdDFyckgI mEg8frCNGcQWEtjBKLF9PjtEXFri+sYJULawxMp/z4FsLqCa54wSu3bPYwNJsAnoSuxY3MYG khAReM0k8aBpKQtE1VVGieVbrzCBVHEKeEj8XvMeKMHBISxgL/G21xIkzCKgIrHuz0GwzbwC lhK3mnYyQdiCEidnPgErZxbQk2jbyAgSZhaQl9j+dg4zxEEKEj+fLmMFsUUEnCSmf+qDqhGX eHn0CPsERqFZSCbNQpg0C8mkWUg6FjCyrGKUTC0ozk3PLTYsMMpLLdcrTswtLs1L10vOz93E CI4nLa0djHtWfdA7xMjEwXiIUYKDWUmEV6b7f6IQb0piZVVqUX58UWlOavEhRmkOFiVx3gtd J+OFBNITS1KzU1MLUotgskwcnFINTKt/OZuvvKmSW7A6Kyn66921hom7eX6d2MU5IWrO9fe9 Eyf+VbFozk6bWi4uULLjvcyUTV9r+te4CHOf2pt/xzDBgCXSxfJNtfURycNdTGsm2dhd+/9j +l/e/QYcP4IPVE53t5J7qrZR+KTYucNOAueLbtUvzd5wfMZ0G6f++ke2fXO8z0k6y6bWLhST XL8udfsLfu5js0+v+MO5dnduMMP9V/kX77ptLgw6zFUaqfxsf/el/5qXuS7tF7r//bHTs6Ym FrUMl0/fahkD7NIuFHavevV1xWObz03TOm7HOCucYo2+eU3o+7y7QL99Xtsm63ywcX6Y6s60 ssUvmGKd/ScWT5lXf3uT4pNN0v+WbFdiKc5INNRiLipOBABd+X+FFgMAAA== X-CMS-MailID: 20220207041708epcas5p3a8e7483fc69e7e6019e48e9f05d56806 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220206135826epcas5p23b773aa6d7a4483d8b91015d200d975f References: <20220206135807.211767-1-krzysztof.kozlowski@canonical.com> <20220206135807.211767-8-krzysztof.kozlowski@canonical.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Krzysztof >-----Original Message----- >From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@canonical.com] >Sent: Sunday, February 6, 2022 7:28 PM >To: Krzysztof Kozlowski ; Rob Herring >; Lukasz Luba ; Alim Akhtar >; Dmitry Osipenko ; linux- >kernel@vger.kernel.org; devicetree@vger.kernel.org; linux- >pm@vger.kernel.org; linux-samsung-soc@vger.kernel.org; linux-arm- >kernel@lists.infradead.org >Subject: [PATCH v3 7/8] memory: of: parse max-freq property > >Passing the memory timings maximum frequency as an unit address was a >workaround and instead 'max-freq' is preferred. Look for 'max-freq' >first and then fallback to 'reg'. > >Signed-off-by: Krzysztof Kozlowski >--- Reviewed-by: Alim Akhtar > drivers/memory/of_memory.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > >diff --git a/drivers/memory/of_memory.c b/drivers/memory/of_memory.c >index b94408954d85..bac5c7f34936 100644 >--- a/drivers/memory/of_memory.c >+++ b/drivers/memory/of_memory.c >@@ -212,8 +212,10 @@ static int of_lpddr3_do_get_timings(struct >device_node *np, { > int ret; > >- /* The 'reg' param required since DT has changed, used as 'max-freq' >*/ >- ret = of_property_read_u32(np, "reg", &tim->max_freq); >+ ret = of_property_read_u32(np, "max-freq", &tim->max_freq); >+ if (ret) >+ /* Deprecated way of passing max-freq as 'reg' */ >+ ret = of_property_read_u32(np, "reg", &tim->max_freq); > ret |= of_property_read_u32(np, "min-freq", &tim->min_freq); > ret |= of_property_read_u32(np, "tRFC", &tim->tRFC); > ret |= of_property_read_u32(np, "tRRD", &tim->tRRD); >-- >2.32.0