From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2C0B712AAD2; Tue, 13 Feb 2024 00:23:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707783837; cv=none; b=dBIfM7tWVMfo0MaLEG6C6U3arQDyXtbuCgCK2ecRtrHDCd0yYfpvPo5Cowaf+LCnH7ijsIboBjfO0/R06LXOaBNtYmc2iQsIMAcFAatsweeTRC+aO6hqY8XP21SqndRqjnJN5nS+rhnMn95A/aB5OGbhqtAP6XgWmclEgfih9kI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707783837; c=relaxed/simple; bh=cGnwOzX+aiGruEG2g9GK4yp9SIuVfxIBg7VGjZPBWcA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=FNRWeenJMZ5E8KViZ0qV7P0Y904fYWJz8M9cAyVt5DX1OxhBTfksBoMoW0Wa8iAdykCPiSdB8HdfwYqUSMZdEizOx6xk0WgVea1RpSVOpz7KRjDrTi5kAE3yh60SLg6elJcIIDOpBuvg6Ps0ngL2tNrZ2pUzrgOH1spxiU5xt4E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TfXvGtuJ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TfXvGtuJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 87374C433F1; Tue, 13 Feb 2024 00:23:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1707783837; bh=cGnwOzX+aiGruEG2g9GK4yp9SIuVfxIBg7VGjZPBWcA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TfXvGtuJm9lfWY2WemooVicM02spo9uBkEXoKMHNL9KxQORtTiqnlv7xIlYs/mQ34 RXBOAKmNL6qFXo4wy6d+nph8MrMovi+cDbDjKWRpGp+rqRg7xx0LFqiRFwwQO8pJ88 UqqHcByqaQYmARu9D79nF5vPkkolJhBxYOGty3PVlGRlpRZ9g4W/MD8G00FXOntgBR Uh17gg1cJJPzvAFlQTD+J89s4E/Sfj0n7rOhk5LpDl6OFIlL728hbCF8gVNp7YqyLr 2+r2pDb78hRJXnHCu+zAMlI4++nzl9PVbWI3tRdSm1qzmhP9JPRw5aaYKtaNA1mWtk OFpZm6uhTuIoA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Dan Carpenter , Bjorn Helgaas , Niklas Cassel , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Manivannan Sadhasivam , Sasha Levin , jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, lpieralisi@kernel.org, kw@linux.com, linux-pci@vger.kernel.org Subject: [PATCH AUTOSEL 5.15 19/22] PCI: dwc: Clean up dw_pcie_ep_raise_msi_irq() alignment Date: Mon, 12 Feb 2024 19:23:21 -0500 Message-ID: <20240213002331.672583-19-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240213002331.672583-1-sashal@kernel.org> References: <20240213002331.672583-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.148 Content-Transfer-Encoding: 8bit From: Dan Carpenter [ Upstream commit 67057f48df79a3d73683385f521215146861684b ] I recently changed the alignment code in dw_pcie_ep_raise_msix_irq(). The code in dw_pcie_ep_raise_msi_irq() is similar, so update it to match, just for consistency. (No effect on runtime, just a cleanup). Link: https://lore.kernel.org/r/184097e0-c728-42c7-9e8a-556bd33fb612@moroto.mountain Signed-off-by: Dan Carpenter Signed-off-by: Bjorn Helgaas Reviewed-by: Niklas Cassel Reviewed-by: Ilpo Järvinen Reviewed-by: Manivannan Sadhasivam Signed-off-by: Sasha Levin --- drivers/pci/controller/dwc/pcie-designware-ep.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index 61a0f33c59cf..a88dd254a714 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -518,9 +518,10 @@ int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no, reg = ep_func->msi_cap + func_offset + PCI_MSI_DATA_32; msg_data = dw_pcie_readw_dbi(pci, reg); } - aligned_offset = msg_addr_lower & (epc->mem->window.page_size - 1); - msg_addr = ((u64)msg_addr_upper) << 32 | - (msg_addr_lower & ~aligned_offset); + msg_addr = ((u64)msg_addr_upper) << 32 | msg_addr_lower; + + aligned_offset = msg_addr & (epc->mem->window.page_size - 1); + msg_addr = ALIGN_DOWN(msg_addr, epc->mem->window.page_size); ret = dw_pcie_ep_map_addr(epc, func_no, 0, ep->msi_mem_phys, msg_addr, epc->mem->window.page_size); if (ret) -- 2.43.0