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Tue, 18 Aug 2015 15:29:26 +0900 (KST) From: Pankaj Dubey To: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCHi v2] ARM: dts: Fix bootup issue on smdk5250 Date: Tue, 18 Aug 2015 11:59:20 +0530 Message-id: <1439879360-21150-1-git-send-email-pankaj.dubey@samsung.com> X-Mailer: git-send-email 2.4.5 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrGLMWRmVeSWpSXmKPExsWyRsSkVvfYhUuhBite6Vu8fmFo0f/4NbPF psfXWC0u75rDZjHj/D4mi0Vbv7BbtO49wm4x93cjqwOHx85Zd9k9Nq3qZPPYvKTeo2/LKkaP z5vkAlijuGxSUnMyy1KL9O0SuDIeTnvGXvCfp6K96SFLA+NTri5GTg4JAROJy9OPskDYYhIX 7q1n62Lk4hASWMEo8eBBJxtM0ZOtf1kgEksZJX58fMUM4bQySSy5sJARpIpNQFfiyfu5zCC2 iEC2xJXG+2BFzAJzGCX+rVjLCpIQFrCWWLdpN1MXIwcHi4CqRNMMe5Awr4CHRHfnfHaQsISA nMTS5lqQVgmBbnaJ9cf3gF3BIiAg8W3yIRaIGlmJTQeYIY6TlDi44gbLBEbBBYwMqxhFUwuS C4qT0osM9YoTc4tL89L1kvNzNzECg/f0v2e9OxhvH7A+xCjAwajEw3uh4FKoEGtiWXFl7iFG U6ANE5mlRJPzgTGSVxJvaGxmZGFqYmpsZG5ppiTOqyj1M1hIID2xJDU7NbUgtSi+qDQntfgQ IxMHp1QDYy+n1Nejfj/eR6ZOKC67nPLg7OSHtzLjNr6yaTzt6JusrDZphlb0RKVtXKZvzGZ/ Yfa5scty0kb7MEf1koupzjNCC1ravCfdmewjIjox9ZiUwM0AjaVzz3f2e5ptcTtg5DJpxwsu /TuKNn6TNp9aJpWyNapVvFgiVaH7BustVrk/06exWXZXKbEUZyQaajEXFScCAGItP41ZAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprMIsWRmVeSWpSXmKPExsVy+t9jAd1jFy6FGjxp1LB4/cLQov/xa2aL TY+vsVpc3jWHzWLG+X1MFou2fmG3aN17hN1i7u9GVgcOj52z7rJ7bFrVyeaxeUm9R9+WVYwe nzfJBbBGNTDaZKQmpqQWKaTmJeenZOal2yp5B8c7x5uaGRjqGlpamCsp5CXmptoqufgE6Lpl 5gCdoqRQlphTChQKSCwuVtK3wzQhNMRN1wKmMULXNyQIrsfIAA0krGHMeDjtGXvBf56K9qaH LA2MT7m6GDk5JARMJJ5s/csCYYtJXLi3nq2LkYtDSGApo8SPj6+YIZxWJoklFxYyglSxCehK PHk/lxnEFhHIlrjSeB+siFlgDqPEvxVrWUESwgLWEus27WbqYuTgYBFQlWiaYQ8S5hXwkOju nM8OEpYQkJNY2lw7gZF7ASPDKkaJ1ILkguKk9FyjvNRyveLE3OLSvHS95PzcTYzgCHkmvYPx 8C73Q4wCHIxKPLwXCi6FCrEmlhVX5h5ilOBgVhLh1U8FCvGmJFZWpRblxxeV5qQWH2I0BVo/ kVlKNDkfGL15JfGGxibmpsamliYWJmaWSuK8+iabQoUE0hNLUrNTUwtSi2D6mDg4pRoYxZ1T pyd59trZJLPv2/KtvnVP3JSTp+O7Gf7vrvriGmEYq7CpZFr8ih9362z+ROx5dMlfU4pbtkzx Geu6exN39vS+svCsOmOxlunmulD/BS/D97ZwqG9Sq7ZU8Fc6Em3+cO3XxZGSe9ymvvxuPaHu QdVkxjdJKXd35cnO01CddI452djw1MI7SizFGYmGWsxFxYkAXUALv6YCAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150817_232949_446370_3A391691 X-CRM114-Status: GOOD ( 11.51 ) X-Spam-Score: -7.4 (-------) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Yadwinder Singh Brar , k.kozlowski@samsung.com, kgene@kernel.org, robh+dt@kernel.org, Pankaj Dubey MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Yadwinder Singh Brar With default config on smdk5250 latest tree throws below message : [ 2.226049] thermal thermal_zone0: critical temperature reached(224 C),shutting down [ 2.227840] reboot: Failed to start orderly shutdown: forcing the issue and hangs randomly because it reads wrong temperature value. I can't figure out any direct relation between LDO10 and TMU from board schematics which I have. So making LDO10 always-on to fix issue for now. Signed-off-by: Yadwinder Singh Brar [pankaj.dubey: resubmitted after rebasing to latest kgene tree] Signed-off-by: Pankaj Dubey Tested-by: Pankaj Dubey Acked-by: Krzysztof Kozlowski --- Resending this patch after rebasing. Previous discussion can be found here [1] [1]: http://www.spinics.net/lists/linux-samsung-soc/msg39100.html Changes since v1: - Rebased on latest kgene tree, test booting and s2r on SMDK5250 board. - Removed Yadwinder Singh's Samsung's email id as it's no more valid. - Added my Signed-off-by for touching this file and patch. arch/arm/boot/dts/exynos5250-smdk5250.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts index 15aea76..c625e71 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -197,6 +197,7 @@ regulator-name = "P1.8V_LDO_OUT10"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-always-on; }; ldo11_reg: LDO11 {