linux-kernel - Re: [PATCH v7 07/10] phy: qualcomm: eusb2-repeater: Migrate to devm_spmi_subdevice_alloc_and

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Message-ID: <yyllvqn2i5mqyetf4c5c3k5xyrz2yfxwbkun22zhx6poumt7dn@k2pt6rcemfdf>
Date: Tue, 21 Oct 2025 17:21:51 +0300
From: Abel Vesa <abel.vesa@...aro.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: sboyd@...nel.org, jic23@...nel.org, dlechner@...libre.com, 
	nuno.sa@...log.com, andy@...nel.org, arnd@...db.de, gregkh@...uxfoundation.org, 
	srini@...nel.org, vkoul@...nel.org, kishon@...nel.org, sre@...nel.org, 
	krzysztof.kozlowski@...aro.org, u.kleine-koenig@...libre.com, linux-arm-msm@...r.kernel.org, 
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org, 
	linux-pm@...r.kernel.org, kernel@...labora.com, wenst@...omium.org, 
	casey.connolly@...aro.org, Neil Armstrong <neil.armstrong@...aro.org>
Subject: Re: [PATCH v7 07/10] phy: qualcomm: eusb2-repeater: Migrate to
 devm_spmi_subdevice_alloc_and_add()

On 25-10-21 10:32:16, AngeloGioacchino Del Regno wrote:
> Some Qualcomm PMICs integrate an USB Repeater device, used to
> convert between eUSB2 and USB 2.0 signaling levels, reachable
> in a specific address range over SPMI.
> 
> Instead of using the parent SPMI device (the main PMIC) as a kind
> of syscon in this driver, register a new SPMI sub-device for EUSB2
> and initialize its own regmap with this sub-device's specific base
> address, retrieved from the devicetree.
> 
> This allows to stop manually adding the register base address to
> every R/W call in this driver, as this can be, and is now, handled
> by the regmap API instead.
> 
> Tested-by: Neil Armstrong <neil.armstrong@...aro.org> # on SM8650-QRD
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

Reviewed-by: Abel Vesa <abel.vesa@...aro.org>