+ /* These registers (EIE, EIR, ESTAT, ECON2, ECON1)
+ * are present in all banks, no need to switch bank
+ */
+ if (addr >= EIE && addr <= ECON1)
+ return;
+
+ /* Clear or set each bank selection bit as needed */
+ if ((b & ECON1_BSEL0) != (priv->bank & ECON1_BSEL0)) {
+ if (b & ECON1_BSEL0)
+ spi_write_op(priv, ENC28J60_BIT_FIELD_SET, ECON1,
+ ECON1_BSEL0);
+ else
+ spi_write_op(priv, ENC28J60_BIT_FIELD_CLR, ECON1,
+ ECON1_BSEL0);
+ }
+ if ((b & ECON1_BSEL1) != (priv->bank & ECON1_BSEL1)) {
+ if (b & ECON1_BSEL1)
+ spi_write_op(priv, ENC28J60_BIT_FIELD_SET, ECON1,
+ ECON1_BSEL1);
+ else