Eh, not really. What basically happened was that the revolutionaries, after effectively seizing power during the first half of 1848, began to turn on each other due to differences between the democratic republicans and the liberal monarchists. The results of the conflict between the German Democratic Congress and the Prussian National Diet in Berlin on 31 October 1848 are really telling; the Congress demanded that the Diet mobilize the Prussian army to send to Vienna to help the revolutionary Viennese there fight against the Hapsburg counter-revolution, which was besieging the city. The Diet refused, and so a thousand-man mob of democrats stormed the Diet's parliamentary building, and soon the liberals' civic guard and the democrats' 'mobile associations' turned on each other.
By the end of the Nov. the Hohenzollerns had complete control in Berlin by using this wedge to drive their opponents further apart and reassert their absolutist power. Then to placate the liberals Frederick William 'granted' a new constitution, which was largely modeled on the liberals own Charte, though with much more extensive executive powers.
That, TBH, that's only half the story, but you get my point.
All very interesting, but it all rather misses the main point.
At no time did the Prussian army ever stop obeying the King, and as long as that was so, FP and Landtag alike had as much authority in Prussia as the King chose to allow, and he could withdraw it at any time. For a few months in 1848 he was unnerved, and the revolutionaries were allowed to play at being some sort of government. By the end of the year he had got over his panic attack, and was no longer afraid to say no to them. After that, it was only a question of how long before the curtain was rung down