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Fri, 10 Apr 2026 11:42:18 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82f0c32e744sm4036922b3a.13.2026.04.10.11.42.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Apr 2026 11:42:18 -0700 (PDT) From: Mukesh Ojha To: Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: cros-qcom-dts-watchers@chromium.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Mukesh Ojha Subject: [PATCH 04/35] irqchip/qcom-pdc: Replace pdc_version global with a function pointer Date: Sat, 11 Apr 2026 00:10:41 +0530 Message-ID: <20260410184124.1068210-5-mukesh.ojha@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260410184124.1068210-1-mukesh.ojha@oss.qualcomm.com> References: <20260410184124.1068210-1-mukesh.ojha@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: WKrRxR0T_91i1ctaV3Vz2rvsGik2JNYa X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDEwMDE3NCBTYWx0ZWRfX9cnjQY1Hjfzv GMdHE4JVRWXcHpjX8231bh9likZj9y+YUqzCln1kSWsaEvilxeDhg8jhvDgUN1PT7AJQMrNHKoT r0Tc5GWh6alf8zR7gQiJw5B/46Y5YLFBAdb65Q0ReJg7A0TntGdg5KCWiaufXU1yllzutQ4w2X2 3yGYlnq799Ezd5C6sL8n5IEtuhMqUF+AqN1x7DrzW0Mq5JH2mT9BmJm6TQzeugXMu9wMDrvSZuv dwdVHbXS52f+d3Eo8oUo7U7ftrVkF99gozqBaRAcRrL98CDlzbP6yqfhEQORFaEb/NYr3uXgBZS 0i9LSgklSnSN3rKKYhSXcAs3W5L7WwQ6uTX2p4aTAzjCZTSgWWxjgaQdpN0WbgQJWhgQU9S+OHO TzhkWO7/TZUZGDo/wOn8hDSkrbnQS5rcA4g3Pw1BNtRaXCuDiYs4+4RvDVjPhHfaxeZfetTe6z7 XHhv6xQGJNM9/vSd2ig== X-Proofpoint-GUID: WKrRxR0T_91i1ctaV3Vz2rvsGik2JNYa X-Authority-Analysis: v=2.4 cv=crGrVV4i c=1 sm=1 tr=0 ts=69d9448c cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=VJwwGsi7nLGkcN4Jv9sA:9 a=IoOABgeZipijB_acs4fv:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-10_05,2026-04-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 bulkscore=0 clxscore=1015 suspectscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604100174 Now that the two enable paths are separate functions, replace the pdc_version global with a __pdc_enable_intr function pointer. The pointer is assigned once at probe time based on the version register, moving the version comparison out of the interrupt enable/disable hot path entirely. Signed-off-by: Mukesh Ojha --- drivers/irqchip/qcom-pdc.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/irqchip/qcom-pdc.c b/drivers/irqchip/qcom-pdc.c index 21e2b4b884ee..734576cdce0c 100644 --- a/drivers/irqchip/qcom-pdc.c +++ b/drivers/irqchip/qcom-pdc.c @@ -51,7 +51,7 @@ static void __iomem *pdc_base; static void __iomem *pdc_prev_base; static struct pdc_pin_region *pdc_region; static int pdc_region_cnt; -static unsigned int pdc_version; +static void (*__pdc_enable_intr)(int pin_out, bool on); static bool pdc_x1e_quirk; static void pdc_base_reg_write(void __iomem *base, int reg, u32 i, u32 val) @@ -123,14 +123,6 @@ static void pdc_enable_intr_cfg(int pin_out, bool on) pdc_reg_write(IRQ_i_CFG, pin_out, enable); } -static void __pdc_enable_intr(int pin_out, bool on) -{ - if (pdc_version < PDC_VERSION_3_2) - pdc_enable_intr_bank(pin_out, on); - else - pdc_enable_intr_cfg(pin_out, on); -} - static void pdc_enable_intr(struct irq_data *d, bool on) { unsigned long flags; @@ -400,7 +392,8 @@ static int qcom_pdc_probe(struct platform_device *pdev, struct device_node *pare goto fail; } - pdc_version = pdc_reg_read(PDC_VERSION_REG, 0); + __pdc_enable_intr = (pdc_reg_read(PDC_VERSION_REG, 0) < PDC_VERSION_3_2) ? + pdc_enable_intr_bank : pdc_enable_intr_cfg; parent_domain = irq_find_host(parent); if (!parent_domain) { -- 2.53.0