{"id":806198,"url":"http://patchwork.ozlabs.org/api/1.2/patches/806198/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/1503800579-19321-2-git-send-email-bmeng.cn@gmail.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.2/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<1503800579-19321-2-git-send-email-bmeng.cn@gmail.com>","list_archive_url":null,"date":"2017-08-27T02:22:59","name":"[U-Boot,2/2] x86: ich-spi: Clear atomic preop only when SPI settings are not locked","commit_ref":"d2ca80c3d7e314c2dd2ac1bf63e5630ae7131a57","pull_url":null,"state":"accepted","archived":false,"hash":"a7747903e53641ef8982b3e7d52e66fd56fd4111","submitter":{"id":64981,"url":"http://patchwork.ozlabs.org/api/1.2/people/64981/?format=json","name":"Bin Meng","email":"bmeng.cn@gmail.com"},"delegate":{"id":56520,"url":"http://patchwork.ozlabs.org/api/1.2/users/56520/?format=json","username":"bmeng","first_name":"Bin","last_name":"Meng","email":"bmeng.cn@gmail.com"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/1503800579-19321-2-git-send-email-bmeng.cn@gmail.com/mbox/","series":[],"comments":"http://patchwork.ozlabs.org/api/patches/806198/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/806198/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "},"content":"The atomic preop register can only be written when SPI settings are\nnot locked, otherwise it's read-only.\n\nSigned-off-by: Bin Meng \n---\n\n drivers/spi/ich.c | 3 ++-\n 1 file changed, 2 insertions(+), 1 deletion(-)","diff":"diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c\nindex 5a3d690..22fc83d 100644\n--- a/drivers/spi/ich.c\n+++ b/drivers/spi/ich.c\n@@ -563,7 +563,8 @@ static int ich_spi_xfer(struct udevice *dev, unsigned int bitlen,\n \t}\n \n \t/* Clear atomic preop now that xfer is done */\n-\tich_writew(ctlr, 0, ctlr->preop);\n+\tif (!lock)\n+\t\tich_writew(ctlr, 0, ctlr->preop);\n \n \treturn 0;\n }\n","prefixes":["U-Boot","2/2"]}