From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Wed, 11 Dec 2013 11:53:45 +0000 Subject: [PATCH V2 2/4] mtd: spi-nor: add the basic data structures In-Reply-To: <201312111102.18554.marex@denx.de> References: <1386318764-15882-1-git-send-email-b32955@freescale.com> <201312101407.59958.marex@denx.de> <20131211062428.GA25147@shlinux2.ap.freescale.net> <201312111102.18554.marex@denx.de> Message-ID: <20131211115345.GL16780@lee--X1> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org > > > > The spi_nor{} is cloned from the m25p{}. > > > > + struct spi_nor_xfer_cfg cfg; > > > > + > > > > + /* for write_reg */ > > > > + u8 cmd_buf[SPI_NOR_MAX_CMD_SIZE]; > > > > + > > > > + /* the two fundamental primitives */ > > > > + int (*read_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg, > > > > + u8 *buf, size_t len); > > > > + int (*write_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg, > > > > + u8 *buf, size_t len); > > > > + > > > > + int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len); > > > > + int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len, > > > > + int write_enable); > > > > > > Does the vybrid really support accelerated SPI NOR register IO or does it > > > > The vybrid does not support the accelerated SPI NOR register IO. > > these hooks are for Lee's driver. > > Which one please? It's not in Mainline yet, but the patches are on the list. If you search for st_spi_fsm, you'll find them. -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org ? Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog