Ufs clk scaling

Author: rnuw

August undefined, 2024

Web* struct ufs_clk_scaling - UFS clock scaling related data * @active_reqs: number of requests that are pending. If this is zero when @@ -428,7 +423,7 @@ struct ufs_clk_scaling { ktime_t window_start_t; ktime_t busy_start_t; struct device_attribute enable_attr; - struct ufs_saved_pwr_info saved_pwr_info; Web13 May 2024 · Subject: [PATCH v3 7/7] ufs: use PM OPP when scaling gears; From: Krzysztof Kozlowski Date: Fri, 13 May 2024 08:13:47 +0200; Cc: Krzysztof Kozlowski , Manivannan Sadhasivam

[PATCH] scsi: ufs: Make sure clk scaling happens only …

WebThis deprecates > the old freq-table-hz Devicetree property and old clock scaling method > in favor of PM core code. > To be clear, you are not changing the voltages (UFS supplies) through OPP. But rather handle only clks and leave … Web10 Sep 2014 · This devfreq framework works with different governors to scale the clocks. By default, UFS devices uses simple_ondemand governor which scales the clocks up if the … layla tulum hotel

Re: [PATCH v3 2/2] scsi: ufs-qcom: enter and exit hibern8 during …

Web2 Aug 2024 · On 8/2/22 07:32, [email protected] wrote: > From: Peter Wang > > Set UFSHCD_CAP_WB_WITH_CLK_SCALING for qcom … Web19 Jan 2024 · +static void ufshcd_exit_clk_scaling(struct ufs_hba *hba) +{+ if (!hba->clk_scaling.is_initialized) + return; + + ufshcd_remove_clk_scaling_sysfs(hba); + … Web12 Apr 2024 · To: Krzysztof Kozlowski ; Subject: Re: [RFC PATCH v2 5/6] ufs: use PM OPP when scaling gears; From: Bjorn Andersson ; Date: Tue, 12 Apr 2024 11:15:10 -0700; Cc: Andy Gross , Michael Turquette , Stephen Boyd … layla tysons

drivers/scsi/ufs/ufshcd.h - kernel/msm - Git at Google

[RFC PATCH v2 0/6] ufs: set power domain performance state …

Web16 Mar 2024 · ufshcd_async_scan () calls ufshcd_add_lus (), which in turn initializes. devfreq for UFS. The simple ondemand governor is then loaded. If it is. built as a module, … Webstruct ufs_clk_scaling clk_scaling; 2.18.0 Next message: Stanley Chu: "[PATCH v2 7/8] scsi: ufs: make HCE polling more compact to improve initializatoin latency" friderikusz podcast surányiWebstatic int ufs_qcom_host_clk_get (struct device *dev, const char *name, struct clk **clk_out, bool optional) { struct clk *clk; int err = 0; clk = devm_clk_get (dev, name); if (!IS_ERR (clk)) { *clk_out = clk; return 0; } err = PTR_ERR (clk); if (optional && err == -ENOENT) { *clk_out = NULL; return 0; } if (err != -EPROBE_DEFER) layla\\u0027s salt lake city

"Web*Re: [PATCH RFC] scsi: ufs-core: Do not use clk_scaling_lock in ufshcd_queuecommand() 2024-10-29 13:37 [PATCH RFC] scsi: ufs-core: Do not use clk_scaling_lock in … " - Ufs clk scaling

Ufs clk scaling

[PATCH RFC] scsi: ufs-core: Do not use clk_scaling_lock …

WebThe focus now is on proven practices that lead to scale and improved returns. In the emerging world of Ecosystem 2.0, data are the holy grail, the breakdown of sector borders … Web2 Aug 2024 · Introduce a flag UFSHCD_CAP_WB_WITH_CLK_SCALING to decouple WB and clock scaling. UFSHCD_CAP_WB_WITH_CLK_SCALING only valid when …

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Web13 May 2024 · Subject: [PATCH v3 7/7] ufs: use PM OPP when scaling gears; From: Krzysztof Kozlowski Date: Fri, 13 May 2024 08:13:47 +0200; Cc: Krzysztof Kozlowski , Manivannan Sadhasivam References WebUFS devfreq clock scaling work may require clocks to be ON if it need to. execute some UFS commands hence it may request for clock hold before. issuing the command. But if UFS …

Web1 Apr 2024 · On Fri 01 Apr 07:58 PDT 2024, Krzysztof Kozlowski wrote: > Scaling gears requires not only scaling clocks, but also voltage levels, > e.g. via performance states. > > USe the provided OPP table, to set proper OPP frequency which through > required-opps will trigger performance state change. > This looks quite nice! Web16 Mar 2024 · ufshcd_async_scan () calls ufshcd_add_lus (), which in turn initializes. devfreq for UFS. The simple ondemand governor is then loaded. If it is. built as a module, …

WebAccording to a 2024 survey by Monster.com on 2081 employees, 94% reported having been bullied numerous times in their workplace, which is an increase of 19% over the last … Web8 Mar 2024 · > But the ufs clock scaling functions use outstanding_reqs to > determine if there're requests pending. When MCQ is enabled > this check always returns false. > > Hence use active_reqs to check if there're pending requests. > > Signed-off-by: Asutosh Das Hence there should be a fixes tag.

Web16 Jan 2024 · Specifically, ufshcd_devfreq_scale() already holds a clk_scaling_lock read lock when toggling the write booster, which involves taking the dev_cmd mutex before …

WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [RFC PATCH v2 0/6] ufs: set power domain performance state when scaling gears @ 2024-04-11 15:43 Krzysztof … friderikusz sándorWeb5 Feb 2024 · share. clk_scaling_lock is to prevent from running clkscaling related operations. with others which might be affected by the operations concurrently. I think it … layla oliviaWeb1 Aug 2024 · When someone toggles clk-scaling feature via sysfs interface, the flag "hba->clk_scaling.is_enabled" shall be changed after ufshcd_devfreq_scale() is finished. ... [PATCH v1] scsi: ufs: Fix ufshcd_scale_clks decision in recovery flow [ In reply to] bvanassche at acm. Jul 29, 2024, 2:15 PM Post #2 of 5 (26 views) Permalink. On 7/29/22 … laylate jomoaaWeb27 Jul 2024 · ufshcd_wb_toggle can protected by hba->clk_scaling.is_allowed to make sure ufshcd_devfreq_scale function not run concurrently. Fixes: 0e9d4ca43ba8 ("scsi: ufs: … layli va majnun sevgiWeb3 Aug 2024 · This patch allow host driver disable wb toggle during clock scaling. So, introduce a flag UFSHCD_CAP_WB_WITH_CLK_SCALING to decouple WB and clock … friederike szloszeWebIf someone plays with the UFS clk scaling devfreq governor through sysfs, ufshcd_devfreq_scale may be called even when hba is not runtime ACTIVE, which can … laylai thai massageWebCustomized clk operation may be embedded in pre/post change of hba->vops->clk_scale_notify. All clocks in dts without "clock-scalable" property defined are assumed … layla ronson missing