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From: Stephen Boyd <sboyd@codeaurora.org>
To: kgunda@codeaurora.org
Cc: Abhijeet Dharmapurikar <adharmap@codeaurora.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	David Collins <collinsd@codeaurora.org>,
	Subbaraman Narayanamurthy <subbaram@codeaurora.org>,
	Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	adharmap@quicinc.com, aghayal@qti.qualcomm.com,
	linux-arm-msm-owner@vger.kernel.org
Subject: Re: [PATCH V1 02/15] spmi: pmic-arb: rename spmi_pmic_arb_dev to spmi_pmic_arb
Date: Fri, 2 Jun 2017 11:29:46 -0700	[thread overview]
Message-ID: <20170602182946.GO20170@codeaurora.org> (raw)
In-Reply-To: <2bfcb67b77b7bbd1eccd3aeaf11dc75d@codeaurora.org>

On 06/01, kgunda@codeaurora.org wrote:
> >>@@ -209,23 +210,24 @@ static void pa_read_data(struct
> >>spmi_pmic_arb_dev *dev, u8 *buf, u32 reg, u8 bc)
> >>  * @buf:	buffer to write. length must be bc + 1.
> >>  */
> >> static void
> >>-pa_write_data(struct spmi_pmic_arb_dev *dev, const u8 *buf, u32
> >>reg, u8 bc)
> >>+pa_write_data(struct spmi_pmic_arb *pa, const u8 *buf, u32 reg,
> >>u8 bc)
> >> {
> >> 	u32 data = 0;
> >>+
> >> 	memcpy(&data, buf, (bc & 3) + 1);
> >>-	__raw_writel(data, dev->wr_base + reg);
> >>+	pmic_arb_base_write(pa, reg, data);
> >
> >This is an unrelated change. Not sure what's going on with this
> >diff but we most likely want to keep the __raw_writel() here. See
> >how renames introduce bugs and why we don't value them?
> >
> Actually pmic_arb_base_write has the writel_relaxed inside it.
> that's why we removed the __raw_writel to use the common function.
> Anyways, we drop the renaming patch from this patch series.

__raw_writel() is there on purpose because we're reading bytes at
a time and the CPU could be big-endian or little-endian.
readl_relaxed() would do a byte swap which we don't want.

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

  reply	other threads:[~2017-06-02 18:29 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-30 12:38 [PATCH V1 00/15]: support for spmi_pmic_arb v3/v5 and bug fixes Kiran Gunda
2017-05-30 12:38 ` [PATCH V1 01/15] spmi: pmic_arb: block access of invalid read and writes Kiran Gunda
2017-05-31  0:33   ` Stephen Boyd
2017-06-12 11:26     ` kgunda
2017-06-13  2:09       ` Stephen Boyd
2017-06-14 15:09         ` kgunda
2017-05-30 12:38 ` [PATCH V1 02/15] spmi: pmic-arb: rename spmi_pmic_arb_dev to spmi_pmic_arb Kiran Gunda
2017-05-31  0:46   ` Stephen Boyd
2017-06-01 16:11     ` kgunda
2017-06-02 18:29       ` Stephen Boyd [this message]
2017-06-05  6:28         ` kgunda
2017-05-30 12:38 ` [PATCH V1 03/15] spmi: pmic-arb: fix inconsistent use of apid and chan Kiran Gunda
2017-05-31  1:31   ` Stephen Boyd
2017-06-01 16:37     ` kgunda
2017-05-30 12:38 ` [PATCH V1 04/15] spmi: pmic-arb: optimize table lookups Kiran Gunda
2017-05-31  1:44   ` Stephen Boyd
2017-06-01 16:53     ` kgunda
2017-06-02 18:31       ` Stephen Boyd
2017-06-05  6:33         ` kgunda
2017-05-30 12:38 ` [PATCH V1 05/15] spmi: pmic-arb: cleanup unrequested irqs Kiran Gunda
2017-05-31  1:57   ` Stephen Boyd
2017-06-06 10:50     ` kgunda
2017-06-13  2:11       ` Stephen Boyd
2017-06-14 15:04         ` kgunda
2017-05-30 12:38 ` [PATCH V1 06/15] spmi: pmic-arb: fix missing interrupts Kiran Gunda
2017-05-31  2:00   ` Stephen Boyd
2017-06-01 17:06     ` kgunda
2017-05-30 12:38 ` [PATCH V1 07/15] spmi: pmic-arb: clear the latched status of the interrupt Kiran Gunda
2017-05-31 22:03   ` Stephen Boyd
2017-06-06 10:55     ` kgunda
2017-05-30 12:38 ` [PATCH V1 08/15] spmi: pmic_arb: use appropriate flow handler Kiran Gunda
2017-05-31 19:03   ` Stephen Boyd
2017-06-06 10:57     ` kgunda
2017-05-30 12:38 ` [PATCH V1 09/15] spmi: pmic-arb: check apid enabled before calling the handler Kiran Gunda
2017-05-31 20:39   ` Stephen Boyd
2017-06-14 15:38     ` kgunda
2017-06-16 21:11       ` Stephen Boyd
2017-06-21  5:02         ` kgunda
2017-05-30 12:38 ` [PATCH V1 10/15] spmi: pmic_arb: add support for PMIC bus arbiter v3 Kiran Gunda
2017-05-31 22:18   ` Stephen Boyd
2017-06-06 11:10     ` kgunda
2017-05-30 12:38 ` [PATCH V1 11/15] spmi: spmi-pmic-arb: enable the SPMI interrupt as a wakeup source Kiran Gunda
2017-05-31 17:13   ` Stephen Boyd
2017-06-08 11:30     ` kgunda
2017-05-30 12:39 ` [PATCH V1 12/15] spmi-pmic-arb: fix a possible null pointer dereference Kiran Gunda
2017-05-31 17:29   ` Stephen Boyd
2017-06-02  7:13     ` kgunda
2017-05-30 12:39 ` [PATCH V1 13/15] spmi: pmic-arb: add support for HW version 5 Kiran Gunda
2017-06-01  6:08   ` Stephen Boyd
2017-06-08 11:28     ` kgunda
2017-05-30 12:39 ` [PATCH V1 14/15] spmi: pmic-arb: do not ack and clear peripheral interrupts in cleanup_irq Kiran Gunda
2017-05-30 22:23   ` kbuild test robot
2017-05-31 17:53   ` Stephen Boyd
2017-06-02  7:26     ` kgunda
2017-06-06 11:27       ` kgunda
2017-06-13  2:10         ` Stephen Boyd
2017-07-18 11:53           ` kgunda
2017-05-30 12:39 ` [PATCH V1 15/15] spmi: pmic-arb: instantiate spmi_devices at arch_initcall Kiran Gunda
2017-05-31 22:07   ` Stephen Boyd
2017-07-18 11:49     ` kgunda

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