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emacs 29.4 Date: Wed, 08 Jan 2025 19:22:16 +0100 Message-ID: <87frltf9nr.fsf@bootlin.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=utf-8 Content-Transfer-Encoding: quoted-printable X-GND-Sasl: miquel.raynal@bootlin.com Hello Pratyush, >> static const struct spi_nor_otp_ops winbond_nor_otp_ops =3D { >> .read =3D spi_nor_otp_read_secr, >> .write =3D spi_nor_otp_write_secr, >> @@ -334,6 +413,9 @@ static int winbond_nor_late_init(struct spi_nor *nor) >> { >> struct spi_nor_flash_parameter *params =3D nor->params; >>=20=20 >> + if (params->n_dice > 1) >> + params->ready =3D winbond_multi_die_ready; >> + > > Is this true for all multi-die Winbond flashes, and going to hold true > for future ones? If not, I suppose this should go in the flash-specific > fixup hook. Do it in either the flash-specific late_init hook, or in the > post_sfdp hook, I have no strong opinions. So, after talking to Winbond, it appears that we can reduce the scope of this fixup to the following parts which are impacted: - W25Q0{1,2}JV - W25H0{1,2}JV - W25Q0{1,2}NW - W35T0{1,2}NW Future chips being fixed in hardware. I'll probably use the post_sfdp flash-specific hook as you suggest. Thanks, Miqu=C3=A8l