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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Emil Renner Berthing <kernel@esmil.dk>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	Magnus Damm <magnus.damm@gmail.com>,
	Gareth Williams <gareth.williams.jx@renesas.com>,
	Phil Edworthy <phil.edworthy@renesas.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jirislaby@kernel.org>,
	"open list:SERIAL DRIVERS" <linux-serial@vger.kernel.org>,
	Milan Stevanovic <milan.stevanovic@se.com>,
	Jimmy Lalande <jimmy.lalande@se.com>,
	Pascal Eberhard <pascal.eberhard@se.com>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	Herve Codina <herve.codina@bootlin.com>,
	Clement Leger <clement.leger@bootlin.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: [PATCH] serial: 8250_dw: Use device tree match data
Date: Fri, 11 Mar 2022 19:27:03 +0200	[thread overview]
Message-ID: <YiuGZwnL1Zm01fBA@smile.fi.intel.com> (raw)
In-Reply-To: <20220311144814.21944-1-kernel@esmil.dk>

On Fri, Mar 11, 2022 at 03:48:14PM +0100, Emil Renner Berthing wrote:
> ..rather than multiple calls to of_device_is_compatible().

> For reference this is the patch I wrote for the StarFive JH7100 tree.
> Feel free to use it or do something better as you see fit.

>  	if (np) {
> +		unsigned long quirks = (unsigned long)of_device_get_match_data(p->dev);

It can be done outside of the np check with device property APIs in use.
Also it needs to use (uintptr_t) for better coverage.

		unsigned long quirks = (uintptr_t)device_get_match_data(p->dev);

Or use data structure as driver_data.

		const struct ... *data = device_get_match_data(p->dev);

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2022-03-11 17:27 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-10 16:16 [PATCH 0/7] RZN1 UART DMA support Miquel Raynal
2022-03-10 16:16 ` [PATCH 1/7] serial: 8250_dma: Use ->tx_dma function pointer to start next DMA Miquel Raynal
2022-03-10 17:59   ` Andy Shevchenko
2022-03-10 16:16 ` [PATCH 2/7] serial: 8250_dw: Move the per-device structure Miquel Raynal
2022-03-10 18:01   ` Andy Shevchenko
2022-03-10 16:16 ` [PATCH 3/7] serial: 8250_dw: Use a fallback CPR value if not synthesized Miquel Raynal
2022-03-10 18:02   ` Andy Shevchenko
2022-03-10 19:01     ` Miquel Raynal
2022-03-11 17:05       ` Andy Shevchenko
2022-03-10 16:16 ` [PATCH 4/7] serial: 8250_dw: Provide the RZN1 CPR register value Miquel Raynal
2022-03-10 16:16 ` [PATCH 5/7] serial: 8250_dw: Add a dma_capable bit to the platform data Miquel Raynal
2022-03-10 18:06   ` Andy Shevchenko
2022-03-10 19:13     ` Miquel Raynal
2022-03-11 17:09       ` Andy Shevchenko
2022-03-10 16:16 ` [PATCH 6/7] serial: 8250_dw: Add support for RZ/N1 DMA Miquel Raynal
2022-03-10 18:25   ` Andy Shevchenko
2022-03-10 19:27     ` Miquel Raynal
2022-03-11 17:14       ` Andy Shevchenko
2022-03-11  9:39   ` Geert Uytterhoeven
2022-03-11  9:51     ` Geert Uytterhoeven
2022-03-11  9:59       ` Miquel Raynal
2022-03-11 14:48         ` [PATCH] serial: 8250_dw: Use device tree match data Emil Renner Berthing
2022-03-11 17:27           ` Andy Shevchenko [this message]
2022-03-16 14:40           ` Miquel Raynal
2022-03-10 16:16 ` [PATCH 7/7] ARM: dts: r9a06g032: Fill the UART DMA properties Miquel Raynal

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