Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 6 Mar 2007 18:04:56 -0500 | From | "Mike Frysinger" <> | Subject | Re: [PATCH -mm] Blackfin: blackfin i2c driver |
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On 3/6/07, Alexey Dobriyan <adobriyan@gmail.com> wrote: > > +static int __init i2c_bfin_twi_init(void) > > +{ > > + rc = request_irq(twi_iface.irq, bfin_twi_interrupt_entry, SA_INTERRUPT, "i2c-bfin-twi", &twi_iface); > > + if (rc) { > > + printk(KERN_ERR "i2c-bfin-twi: can't get IRQ %d !\n", twi_iface.irq); > > + return -ENODEV; > > + } > > + > > + /* Set TWI internal clock as 10MHz */ > > + bfin_write_TWI_CONTROL(((get_sclk() / 1024 / 1024 + 5) / 10) & 0x7F); > > + > > + /* Set Twi interface clock as specified */ > > + if (CONFIG_TWICLK_KHZ > 400) > > + bfin_write_TWI_CLKDIV((( 5*1024 / 400 ) << 8) | (( 5*1024 / 400 ) & 0xFF)); > > + else > > + bfin_write_TWI_CLKDIV((( 5*1024 / CONFIG_TWICLK_KHZ ) << 8) | (( 5*1024 / CONFIG_TWICLK_KHZ ) & 0xFF)); > > + > > + /* Enable TWI */ > > + bfin_write_TWI_CONTROL(bfin_read_TWI_CONTROL() | TWI_ENA); > > + SSYNC(); > > + > > + return i2c_add_adapter(p_adap); > > free_irq on error?
what error ? do you mean i2c_add_adapter() ? -mike - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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