Subject: linux-next: build failure after merge of the i2c tree

From: Stephen Rothwell <[email-masked]>
Date: Mon, 24 Nov 2014 20:16:04 +1100

Hi Wolfram,

After merging the i2c tree, today's linux-next build (powerpc
allyesconfig) failed like this:

drivers/i2c/busses/i2c-rk3x.c: In function 'rk3x_i2c_clk_notifier_cb':
drivers/i2c/busses/i2c-rk3x.c:634:7: error: 'PRE_RATE_CHANGE' undeclared (first use in this function)
  case PRE_RATE_CHANGE:
       ^
drivers/i2c/busses/i2c-rk3x.c:634:7: note: each undeclared identifier is reported only once for each function it appears in
drivers/i2c/busses/i2c-rk3x.c:635:31: error: dereferencing pointer to incomplete type
   if (rk3x_i2c_calc_divs(ndata->new_rate, i2c->scl_frequency,
                               ^
drivers/i2c/busses/i2c-rk3x.c:641:12: error: dereferencing pointer to incomplete type
   if (ndata->new_rate > ndata->old_rate)
            ^
drivers/i2c/busses/i2c-rk3x.c:641:30: error: dereferencing pointer to incomplete type
   if (ndata->new_rate > ndata->old_rate)
                              ^
drivers/i2c/busses/i2c-rk3x.c:642:33: error: dereferencing pointer to incomplete type
    rk3x_i2c_adapt_div(i2c, ndata->new_rate);
                                 ^
drivers/i2c/busses/i2c-rk3x.c:645:7: error: 'POST_RATE_CHANGE' undeclared (first use in this function)
  case POST_RATE_CHANGE:
       ^
drivers/i2c/busses/i2c-rk3x.c:647:12: error: dereferencing pointer to incomplete type
   if (ndata->new_rate < ndata->old_rate)
            ^
drivers/i2c/busses/i2c-rk3x.c:647:30: error: dereferencing pointer to incomplete type
   if (ndata->new_rate < ndata->old_rate)
                              ^
drivers/i2c/busses/i2c-rk3x.c:648:33: error: dereferencing pointer to incomplete type
    rk3x_i2c_adapt_div(i2c, ndata->new_rate);
                                 ^
drivers/i2c/busses/i2c-rk3x.c:650:7: error: 'ABORT_RATE_CHANGE' undeclared (first use in this function)
  case ABORT_RATE_CHANGE:
       ^
drivers/i2c/busses/i2c-rk3x.c:652:12: error: dereferencing pointer to incomplete type
   if (ndata->new_rate > ndata->old_rate)
            ^
drivers/i2c/busses/i2c-rk3x.c:652:30: error: dereferencing pointer to incomplete type
   if (ndata->new_rate > ndata->old_rate)
                              ^
drivers/i2c/busses/i2c-rk3x.c:653:33: error: dereferencing pointer to incomplete type
    rk3x_i2c_adapt_div(i2c, ndata->old_rate);
                                 ^
drivers/i2c/busses/i2c-rk3x.c: In function 'rk3x_i2c_probe':
drivers/i2c/busses/i2c-rk3x.c:941:2: error: implicit declaration of function 'clk_notifier_register' [-Werror=implicit-function-declaration]
  ret = clk_notifier_register(i2c->clk, &i2c->clk_rate_nb);
  ^
drivers/i2c/busses/i2c-rk3x.c:961:2: error: implicit declaration of function 'clk_notifier_unregister' [-Werror=implicit-function-declaration]
  clk_notifier_unregister(i2c->clk, &i2c->clk_rate_nb);
  ^

Caused by commit 5a6f1566f6a0 ("i2c: rk3x: handle dynamic clock rate
changes correctly").

I have reverted that commit for today.
-- 
Cheers,
Stephen Rothwell                    [email-masked]