From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lukasz Majewski Date: Tue, 23 Apr 2019 21:59:32 +0200 Subject: [U-Boot] [PATCH v3 1/2] eeprom: fix DM_I2C support without CONFIG_SYS_I2C_EEPROM_BUS In-Reply-To: <20190423191814.24718-1-simon.k.r.goldschmidt@gmail.com> References: <20190423191814.24718-1-simon.k.r.goldschmidt@gmail.com> Message-ID: <20190423215932.314c9544@jawa> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Simon, > The current device model enabled eeprom code only works if > CONFIG_SYS_I2C_EEPROM_BUS is set. > > This patch makes it work without that define so that the bus > number passed to 'eeprom_init' is used. Reviewed-by: Lukasz Majewski > > Signed-off-by: Simon Goldschmidt > Reviewed-by: Heiko Schocher > --- > > Changes in v3: > - use eeprom_init() to set CONFIG_SYS_I2C_EEPROM_BUS, not > i2c_set_bus_num to make things work with CONFIG_DM_I2C > > Changes in v2: None > > cmd/eeprom.c | 23 +++++++++++++++-------- > 1 file changed, 15 insertions(+), 8 deletions(-) > > diff --git a/cmd/eeprom.c b/cmd/eeprom.c > index 6c29b33ba3..7b1f81477f 100644 > --- a/cmd/eeprom.c > +++ b/cmd/eeprom.c > @@ -59,6 +59,10 @@ > #endif > #endif > > +#if defined(CONFIG_DM_I2C) > +int eeprom_i2c_bus; > +#endif > + > __weak int eeprom_write_enable(unsigned dev_addr, int state) > { > return 0; > @@ -67,7 +71,9 @@ __weak int eeprom_write_enable(unsigned dev_addr, > int state) void eeprom_init(int bus) > { > /* I2C EEPROM */ > -#if defined(CONFIG_SYS_I2C) > +#if defined(CONFIG_DM_I2C) > + eeprom_i2c_bus = bus; > +#elif defined(CONFIG_SYS_I2C) > if (bus >= 0) > i2c_set_bus_num(bus); > i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); > @@ -124,14 +130,14 @@ static int eeprom_rw_block(unsigned offset, > uchar *addr, unsigned alen, { > int ret = 0; > > -#if defined(CONFIG_DM_I2C) && defined(CONFIG_SYS_I2C_EEPROM_BUS) > +#if defined(CONFIG_DM_I2C) > struct udevice *dev; > > - ret = i2c_get_chip_for_busnum(CONFIG_SYS_I2C_EEPROM_BUS, > addr[0], > + ret = i2c_get_chip_for_busnum(eeprom_i2c_bus, addr[0], > alen - 1, &dev); > if (ret) { > printf("%s: Cannot find udev for a bus %d\n", > __func__, > - CONFIG_SYS_I2C_EEPROM_BUS); > + eeprom_i2c_bus); > return CMD_RET_FAILURE; > } > > @@ -141,15 +147,12 @@ static int eeprom_rw_block(unsigned offset, > uchar *addr, unsigned alen, ret = dm_i2c_write(dev, offset, buffer, > len); > #else /* Non DM I2C support - will be removed */ > -#if defined(CONFIG_SYS_I2C_EEPROM_BUS) > - i2c_set_bus_num(CONFIG_SYS_I2C_EEPROM_BUS); > -#endif > > if (read) > ret = i2c_read(addr[0], offset, alen - 1, buffer, > len); else > ret = i2c_write(addr[0], offset, alen - 1, buffer, > len); -#endif /* CONFIG_DM_I2C && CONFIG_SYS_I2C_EEPROM_BUS */ > +#endif /* CONFIG_DM_I2C */ > if (ret) > ret = CMD_RET_FAILURE; > > @@ -164,6 +167,10 @@ static int eeprom_rw(unsigned dev_addr, unsigned > offset, uchar *buffer, int rcode = 0; > uchar addr[3]; > > +#if defined(CONFIG_SYS_I2C_EEPROM_BUS) > + eeprom_init(CONFIG_SYS_I2C_EEPROM_BUS); > +#endif > + > while (offset < end) { > alen = eeprom_addr(dev_addr, offset, addr); > Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma at denx.de -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 488 bytes Desc: OpenPGP digital signature URL: