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bh=s+GR2S7YkbEsBdgqc3Yoq/8fBKVYEvLAthdvH9b2SwQ=; b=MV3uX+/i+N3OmugehZ2CptsgnErHT30UTf4DrKxlTcRRfww7+fDgAv8htv1/WSzmt4w7djxRX6227CKnu2yARzycjBbF6oCMRZ8w4+gIL1wSPW/MygnHWlhOfj7DSA0ePFPu8tXZQ05mVRPYCwRpZsbCQ73oLFkv5Fismjxt1STDDpKR7L8RBA1pZFnDc//RG2Cf6CoiJrlzJLgU4UeALU/3Df8swL6pXI8BsUdUo1l9HRKP2pMjmCY+mViEKIPAIdQfZy8Y6BFmzzbbE30skkWyTdZHnCBgsEhD151QNPVaXoLlR4P1v3qUnGE5TudowWxwzy8t/iPk7IcRMn8OFw== From: Jamin Lin To: "clg@kaod.org" , "jithu.joseph@oss.qualcomm.com" , "open list:All patches CC here" CC: Jamin Lin , Troy Lee , Kane Chen , "nabihestefan@google.com" , "komlodi@google.com" Subject: [PATCH v2 1/4] hw/i3c/dw-i3c: Use ROUND_UP() for RX buffer allocation alignment Thread-Topic: [PATCH v2 1/4] hw/i3c/dw-i3c: Use ROUND_UP() for RX buffer allocation alignment Thread-Index: AQHcqq26TxDo8hMDak+MUH+hFbYV5Q== Date: Tue, 3 Mar 2026 01:33:24 +0000 Message-ID: <20260303013322.1297499-2-jamin_lin@aspeedtech.com> References: <20260303013322.1297499-1-jamin_lin@aspeedtech.com> In-Reply-To: <20260303013322.1297499-1-jamin_lin@aspeedtech.com> Accept-Language: zh-TW, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=aspeedtech.com; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a01:111:f403:c406::3; envelope-from=jamin_lin@aspeedtech.com; helo=OS8PR02CU002.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @aspeedtech.com) X-ZM-MESSAGEID: 1772501646974139100 Content-Type: text/plain; charset="utf-8" The RX temporary buffer allocation manually aligned the size using: num + (4 - (num & 0x03)) Replace this with ROUND_UP(num, 4) for better readability and consistency with common QEMU coding style. No functional change. Signed-off-by: Jamin Lin Reviewed-by: Jithu Joseph --- hw/i3c/dw-i3c.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/i3c/dw-i3c.c b/hw/i3c/dw-i3c.c index d742458129..3d8b95a14c 100644 --- a/hw/i3c/dw-i3c.c +++ b/hw/i3c/dw-i3c.c @@ -1282,7 +1282,7 @@ static uint16_t dw_i3c_rx(DWI3C *s, uint16_t num, boo= l is_i2c) * Allocate a temporary buffer to read data from the target. * Zero it and word-align it as well in case we're reading unaligned d= ata. */ - g_autofree uint8_t *data =3D g_new0(uint8_t, num + (4 - (num & 0x03))); + g_autofree uint8_t *data =3D g_new0(uint8_t, ROUND_UP(num, 4)); uint32_t *data32 =3D (uint32_t *)data; /* * 32-bits since the I3C API wants a 32-bit number, even though the --=20 2.43.0