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Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1leZzg-005tQZ-9g for linux-arm-kernel@lists.infradead.org; Thu, 06 May 2021 09:08:29 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6618360FEE; Thu, 6 May 2021 09:08:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620292107; bh=ORxyAXfPiELuOuNTDJqT+1syYGZTiHj3MDbntawW8/0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GGL9D2IBAelQF9B7swdwg/1sg3Mx5qW14puHFL3uwBHHCT2umIdS2bWBPZZU5CYWt mNREd4nWAXphE6uFpiyt430ukAYgyCfFujEEeA8VOXhGslpVvQIlieT3Q17V0wu3nj b9dxwKOwWJTze6xx3vtZOBR3dvPqxRn/mZ3G8FYadYp+wEavaWD7G5nnQQUc0t1KHb 2mpAj9tFODF1G6R/hL3q4bsJoZAvyGlsoKTSR0xfkjgK33EVaNJvZ720lRi0TsoOyL KMa4o+hWU1ChpP1yzX6xNDj8XSp4HltiUxBLOG3arZFFZ3PEy4d8UyZqWC+gf5dZC7 fTngHZhTSZQ5g== Received: by pali.im (Postfix) id DAC3A732; Thu, 6 May 2021 11:08:24 +0200 (CEST) From: =?utf-8?q?Pali_Roh=C3=A1r?= To: Gregory CLEMENT , Andrew Lunn Cc: =?utf-8?q?Marek_Beh=C3=BAn?= , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 mvebu + mvebu/dt64 1/6] firmware: turris-mox-rwtm: fix reply status decoding function Date: Thu, 6 May 2021 11:07:57 +0200 Message-Id: <20210506090802.14268-1-pali@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210308153703.23097-1-kabel@kernel.org> References: <20210308153703.23097-1-kabel@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210506_020828_392124_EDD9CD50 X-CRM114-Status: GOOD ( 11.76 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Marek Behún The status decoding function mox_get_status() currently contains an incorrect check: if the error status is not MBOX_STS_SUCCESS, it always returns -EIO, so the comparison to MBOX_STS_FAIL is never executed and we don't get the actual error code sent by the firmware. Fix this. Signed-off-by: Marek Behún Fixes: 389711b37493 ("firmware: Add Turris Mox rWTM firmware driver") Reviewed-by: Andrew Lunn --- drivers/firmware/turris-mox-rwtm.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/turris-mox-rwtm.c b/drivers/firmware/turris-mox-rwtm.c index 62f0d1a5dd32..f85acdb3130c 100644 --- a/drivers/firmware/turris-mox-rwtm.c +++ b/drivers/firmware/turris-mox-rwtm.c @@ -147,11 +147,14 @@ MOX_ATTR_RO(pubkey, "%s\n", pubkey); static int mox_get_status(enum mbox_cmd cmd, u32 retval) { - if (MBOX_STS_CMD(retval) != cmd || - MBOX_STS_ERROR(retval) != MBOX_STS_SUCCESS) + if (MBOX_STS_CMD(retval) != cmd) return -EIO; else if (MBOX_STS_ERROR(retval) == MBOX_STS_FAIL) return -(int)MBOX_STS_VALUE(retval); + else if (MBOX_STS_ERROR(retval) == MBOX_STS_BADCMD) + return -ENOSYS; + else if (MBOX_STS_ERROR(retval) != MBOX_STS_SUCCESS) + return -EIO; else return MBOX_STS_VALUE(retval); }