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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: eMJK5-zjXE-p64lI7HxxrXSeBlpa3DKR X-Proofpoint-ORIG-GUID: eMJK5-zjXE-p64lI7HxxrXSeBlpa3DKR X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTExMDA4NSBTYWx0ZWRfX1jUvqjeyRWvO OS4rhsIi3IhEzbetjeqAOZOGQlRawfhJ5wWRdT6W1V9nSK0NogSO+uuxH7/6NsDAiGFAZR8xQEy H8cuUBQKcfJqyY+Y0XtsGIHxHa+0AjnEahL+StE5b7KErGqp/qzUvC1MoQl3sPdkBiQ1lsctRQ3 LhVqdjXx9bAQAgttB7DldUs3YmcEJ6lzJNK2x/Opm1Ccosay6NXD13TOkIGzcP3Nk/umyxLcrBC 8wz/ENsxNGY+gA/8RTiOkFVmRdudOfvPA3zpw9uIokcDgbNzsM7jDiH2eTVROZgFFGowjTTprWB x68cmhf5YB+WrR/S2yeOdmV7M1myiHLkjLttZLdGBlgmWHVIjWRpupnddyxdLB4O5T5iumG9C3T FkAQb1N87qR49mdgV2Fpl6yqqWMYRnhw5PCc6YtGHtgaBvEWwBtCyBinr5r0eUGTtbRuc0xsekA taov7BG/seNNSoxwcXg== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTExMDA4NSBTYWx0ZWRfX4MUAEdU+QP21 XrQK8JjyKDP3pCkwti3zrZDgvWkSGZEYnik2dpCV99So6fwNkS6Ox/H5MYgM4IRzymr2/BbboBr ow1SOTjeWmK19+/a9xGClSERv1P1S4s= X-Authority-Analysis: v=2.4 cv=UJFIjyfy c=1 sm=1 tr=0 ts=6aa39d5a cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=7hwhKKvj7wuNyXN3tagA:9 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-11_02,2026-09-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 bulkscore=0 spamscore=0 adultscore=0 malwarescore=0 suspectscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609110085 X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.u-boot-project.org Hi Reza, On 9/10/2026 3:11 PM, Reza Kurniawan wrote: > Some SoCs such as MSM8917 poll its GDSC power domains by reading GDSCR > directly, as opposed to GDSCR + CFG_GDSCR_OFFSET. > Add a poll_gdscr flag to struct qcom_power_map to facilitate those SoCs. > > Signed-off-by: Reza Kurniawan Reviewed-by: Balaji Selvanathan > --- > > drivers/clk/qcom/clock-qcom.c | 24 +++++++++++++----------- > drivers/clk/qcom/clock-qcom.h | 1 + > 2 files changed, 14 insertions(+), 11 deletions(-) > > diff --git a/drivers/clk/qcom/clock-qcom.c b/drivers/clk/qcom/clock-qcom.c > index 6b46d9db7..754ff4ff4 100644 > --- a/drivers/clk/qcom/clock-qcom.c > +++ b/drivers/clk/qcom/clock-qcom.c > @@ -505,9 +505,9 @@ U_BOOT_DRIVER(qcom_reset) = { > static int qcom_power_set(struct power_domain *pwr, bool on) > { > struct msm_clk_data *data = (struct msm_clk_data *)dev_get_driver_data(pwr->dev); > - void __iomem *base = dev_get_priv(pwr->dev); > + void __iomem *base = dev_get_priv(pwr->dev), *poll_addr; > const struct qcom_power_map *map; > - u32 value; > + u32 value, mask; > int ret; > > if (pwr->id >= data->num_power_domains) > @@ -527,19 +527,21 @@ static int qcom_power_set(struct power_domain *pwr, bool on) > > writel(value, base + map->reg); > > - if (on) > - ret = readl_poll_timeout(base + map->reg + CFG_GDSCR_OFFSET, > + poll_addr = base + map->reg; > + if (map->poll_gdscr) { > + /* Some SOCs such as MSM8917 poll at GDSCR */ > + ret = readl_poll_timeout(poll_addr, > value, > - (value & GDSC_POWER_UP_COMPLETE) || > - (value & GDSC_PWR_ON_MASK), > + (!!(value & GDSC_PWR_ON_MASK) == on), > GDSC_STATUS_POLL_TIMEOUT_US); > - > - else > - ret = readl_poll_timeout(base + map->reg + CFG_GDSCR_OFFSET, > + } else { > + mask = on ? GDSC_POWER_UP_COMPLETE : GDSC_POWER_DOWN_COMPLETE; > + ret = readl_poll_timeout(poll_addr + CFG_GDSCR_OFFSET, > value, > - (value & GDSC_POWER_DOWN_COMPLETE) || > - !(value & GDSC_PWR_ON_MASK), > + (value & mask) || > + !!(value & GDSC_PWR_ON_MASK) == on, > GDSC_STATUS_POLL_TIMEOUT_US); > + } > > if (ret == -ETIMEDOUT) > printf("WARNING: GDSC %lu is stuck during power on/off\n", > diff --git a/drivers/clk/qcom/clock-qcom.h b/drivers/clk/qcom/clock-qcom.h > index 3a4550d85..0b514cc1f 100644 > --- a/drivers/clk/qcom/clock-qcom.h > +++ b/drivers/clk/qcom/clock-qcom.h > @@ -76,6 +76,7 @@ struct qcom_reset_map { > > struct qcom_power_map { > unsigned int reg; > + bool poll_gdscr; > }; > > struct clk;