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(unknown []) by gzga-smtp-mtada-g1-3 (Coremail) with SMTP id _____wDH2gFbjIdqVWQZOw--.20708S2; Fri, 21 Aug 2026 07:23:08 +0800 (CST) From: Hans Zhang <18255117159@163.com> To: bhelgaas@google.com, lpieralisi@kernel.org, kwilczynski@kernel.org, mani@kernel.org Cc: robh@kernel.org, mpillai@cadence.com, a-garg7@ti.com, s-vadapalli@ti.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Hans Zhang <18255117159@163.com>, kernel test robot Subject: [PATCH] PCI: cadence: Fix enum type mismatch warning in LTSSM debugfs Date: Fri, 21 Aug 2026 07:23:05 +0800 Message-Id: <20260820232305.80596-1-18255117159@163.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: _____wDH2gFbjIdqVWQZOw--.20708S2 X-Coremail-Antispam: 1Uf129KBjvJXoW7KF1UCF4DCF48trWDCw17Wrg_yoW8uw1rp3 ZrGrW0k3WfZrWav3Wqy3Z8ZryrtFn8C3yxG392kw18WF1DuryUZFn7tFy8XF98G3yDXr47 Xa1Yyr9rAa1YyrUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x0piahF7UUUUU= X-CM-SenderInfo: rpryjkyvrrlimvzbiqqrwthudrp/xtbC7B+2WmqHjF9crgAA3T Content-Type: text/plain; charset="utf-8" Fix Clang -Wenum-compare-conditional warning by using a single u32 variable to hold the LTSSM status value, replacing two separate enum variables of different types. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202608201933.w2579mwx-lkp@int= el.com/ Fixes: d70e964dc099 ("PCI: cadence: Add LGA IP debugfs for LTSSM status") Signed-off-by: Hans Zhang <18255117159@163.com> Reviewed-by: Aksh Garg --- .../pci/controller/cadence/pcie-cadence-debugfs.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/pci/controller/cadence/pcie-cadence-debugfs.c b/driver= s/pci/controller/cadence/pcie-cadence-debugfs.c index 0a308f95e9f6..7b8354052aea 100644 --- a/drivers/pci/controller/cadence/pcie-cadence-debugfs.c +++ b/drivers/pci/controller/cadence/pcie-cadence-debugfs.c @@ -210,24 +210,21 @@ static const char *cdns_pcie_hpa_ltssm_status_string(= enum cdns_pcie_hpa_ltssm lt static int ltssm_status_show(struct seq_file *s, void *v) { struct cdns_pcie *pci =3D s->private; - enum cdns_pcie_lga_ltssm lga_ltssm; - enum cdns_pcie_hpa_ltssm hpa_ltssm; const char *str_ltssm; - u32 val; + u32 val, ltssm_val; =20 if (pci->is_hpa) { val =3D cdns_pcie_hpa_readl(pci, REG_BANK_IP_REG, CDNS_PCIE_HPA_PHY_DBG_STS_REG0); - hpa_ltssm =3D FIELD_GET(CDNS_PCIE_HPA_LTSSM_STATUS_MASK, val); - str_ltssm =3D cdns_pcie_hpa_ltssm_status_string(hpa_ltssm); + ltssm_val =3D FIELD_GET(CDNS_PCIE_HPA_LTSSM_STATUS_MASK, val); + str_ltssm =3D cdns_pcie_hpa_ltssm_status_string(ltssm_val); } else { val =3D cdns_pcie_readl(pci, CDNS_PCIE_LM_BASE); - lga_ltssm =3D FIELD_GET(CDNS_PCIE_LGA_LTSSM_STATUS_MASK, val); - str_ltssm =3D cdns_pcie_lga_ltssm_status_string(lga_ltssm); + ltssm_val =3D FIELD_GET(CDNS_PCIE_LGA_LTSSM_STATUS_MASK, val); + str_ltssm =3D cdns_pcie_lga_ltssm_status_string(ltssm_val); } =20 - seq_printf(s, "%s (0x%02x)\n", str_ltssm, - pci->is_hpa ? hpa_ltssm : lga_ltssm); + seq_printf(s, "%s (0x%02x)\n", str_ltssm, ltssm_val); =20 return 0; } --=20 2.34.1