linux-kernel - [PATCH] PCI: brcmstb: Do not use _

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20211122190459.3189616-1-f.fainelli@gmail.com>
Date:   Mon, 22 Nov 2021 11:04:58 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Jim Quinlan <jim2101024@...il.com>,
        bcm-kernel-feedback-list@...adcom.com (maintainer:BROADCOM STB PCIE
        DRIVER), Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        linux-rpi-kernel@...ts.infradead.org (moderated list:BROADCOM
        BCM2711/BCM2835 ARM ARCHITECTURE),
        linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM
        BCM2711/BCM2835 ARM ARCHITECTURE),
        linux-pci@...r.kernel.org (open list:BROADCOM STB PCIE DRIVER)
Subject: [PATCH] PCI: brcmstb: Do not use __GENMASK

Define the legacy MSI intterupt bitmask as well as the non-legacy
interrupt bitmask using GENMASK and then use them in brcm_msi_set_regs()
in place of __GENMASK().

Reported-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/pci/controller/pcie-brcmstb.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
index 1fc7bd49a7ad..3391b4135b65 100644
--- a/drivers/pci/controller/pcie-brcmstb.c
+++ b/drivers/pci/controller/pcie-brcmstb.c
@@ -144,6 +144,9 @@
 #define BRCM_INT_PCI_MSI_NR		32
 #define BRCM_INT_PCI_MSI_LEGACY_NR	8
 #define BRCM_INT_PCI_MSI_SHIFT		0
+#define BRCM_INT_PCI_MSI_MASK		GENMASK(BRCM_INT_PCI_MSI_NR - 1, 0)
+#define BRCM_INT_PCI_MSI_LEGACY_MASK	GENMASK(31, \
+						32 - BRCM_INT_PCI_MSI_LEGACY_NR)
 
 /* MSI target addresses */
 #define BRCM_MSI_TARGET_ADDR_LT_4GB	0x0fffffffcULL
@@ -619,7 +622,8 @@ static void brcm_msi_remove(struct brcm_pcie *pcie)
 
 static void brcm_msi_set_regs(struct brcm_msi *msi)
 {
-	u32 val = __GENMASK(31, msi->legacy_shift);
+	u32 val = msi->legacy ? BRCM_INT_PCI_MSI_LEGACY_MASK :
+				BRCM_INT_PCI_MSI_MASK;
 
 	writel(val, msi->intr_base + MSI_INT_MASK_CLR);
 	writel(val, msi->intr_base + MSI_INT_CLR);
-- 
2.25.1