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Sat, 07 Jun 2025 18:04:29 -0700 (PDT) Sender: Guenter Roeck Date: Sat, 7 Jun 2025 18:04:28 -0700 From: Guenter Roeck To: Cheng Ming Lin Cc: tudor.ambarus@linaro.org, pratyush@kernel.org, mwalle@kernel.org, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, alvinzhou@mxic.com.tw, leoyu@mxic.com.tw, Cheng Ming Lin Subject: Re: [PATCH v2 1/3] mtd: spi-nor: macronix: Drop the redundant flash info fields Message-ID: References: <20250407075400.1113177-1-linchengming884@gmail.com> <20250407075400.1113177-2-linchengming884@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250407075400.1113177-2-linchengming884@gmail.com> Hi, On Mon, Apr 07, 2025 at 03:53:58PM +0800, Cheng Ming Lin wrote: > From: Cheng Ming Lin > > Many flash devices share the same ID but have different part numbers. > To avoid confusion, the part number field is removed. > > Additionally, since SFDP already provides size information and > functionality covered by no_sfdp_flags, these fields are also removed. > > Furthermore, when 4-byte address instruction table is available, > the SPI_NOR_4B_OPCODES flag is no longer needed and is removed. > > Signed-off-by: Cheng Ming Lin > Acked-by: Tudor Ambarus With this patch in place, some of my qemu tests no longer recognize the flash chips (MX25L25635E/F). Do you have a suggestion on how to handle this other than avoiding Macronix flash chips when working with qemu ? Thanks, Guenter