Message ID | 20230124122336.40993-4-ayan.kumar.halder@amd.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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pr=C From: Ayan Kumar Halder <ayan.kumar.halder@amd.com> To: <xen-devel@lists.xenproject.org> CC: <sstabellini@kernel.org>, <stefano.stabellini@amd.com>, <julien@xen.org>, <Volodymyr_Babchuk@epam.com>, <bertrand.marquis@arm.com>, <andrew.cooper3@citrix.com>, <george.dunlap@citrix.com>, <jbeulich@suse.com>, <wl@xen.org>, <xuwei5@hisilicon.com>, Ayan Kumar Halder <ayan.kumar.halder@amd.com> Subject: [XEN v4 3/3] xen/drivers: ns16550: Fix an incorrect assignment to uart->io_size Date: Tue, 24 Jan 2023 12:23:36 +0000 Message-ID: <20230124122336.40993-4-ayan.kumar.halder@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230124122336.40993-1-ayan.kumar.halder@amd.com> References: <20230124122336.40993-1-ayan.kumar.halder@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000C973:EE_|MN0PR12MB5882:EE_ X-MS-Office365-Filtering-Correlation-Id: 6139d27d-a81e-49cd-c9e0-08dafe05f557 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Pre-requisite patches for supporting 32 bit physical address
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diff --git a/xen/drivers/char/ns16550.c b/xen/drivers/char/ns16550.c index 43e1f971ab..092f6b9c4b 100644 --- a/xen/drivers/char/ns16550.c +++ b/xen/drivers/char/ns16550.c @@ -1870,7 +1870,7 @@ static int __init ns16550_acpi_uart_init(const void *data) uart->parity = spcr->parity; uart->stop_bits = spcr->stop_bits; uart->io_base = spcr->serial_port.address; - uart->io_size = spcr->serial_port.bit_width; + uart->io_size = DIV_ROUND_UP(spcr->serial_port.bit_width, BITS_PER_BYTE); uart->reg_shift = spcr->serial_port.bit_offset; uart->reg_width = spcr->serial_port.access_width;